Grammar · Verb tenses · B1 · Intermediate

Present perfect vs past simple

Last updated 21 July 2026

In short

Use the past simple for completed actions in a finished time period: 'I visited Rome in 2019.' Use the present perfect when the time is unfinished, unstated, or the action connects to now: 'I have visited Rome twice.' Time expressions — yesterday, ago, since, ever, yet — usually decide the choice for you.

Present perfect vs past simple at a glance

	Present perfect	Past simple
Core meaning	Past connected to now — result, experience, unfinished period	Completed action inside a finished time
Typical time words	ever, never, just, already, yet, since, for, recently, this week	yesterday, last month, in 2018, two years ago, when I was a child
Is the exact time stated?	No — the time is unknown or unimportant	Yes, or it is clear from the context
Form	have/has + past participle (has taken)	past form of the verb (took)
Example	She has climbed Kilimanjaro.	She climbed Kilimanjaro in 2022.
'When…?' questions	Impossible — 'When have you…?' is wrong	Required: 'When did you climb it?'
Telling a story	Introduces the topic or experience	Carries the narrative once the time is set

What is the difference between the present perfect and the past simple?

Both tenses describe past actions, so learners often treat them as interchangeable — but English separates them with one question: is the time period finished? If the action sits inside a finished time (yesterday, last year, in 2015, when I was ten), use the past simple. If the time period is unfinished, unstated, or the action still touches the present, use the present perfect.

Notice that distance in time is irrelevant. Something from two minutes ago can take the past simple ('The bus left two minutes ago'), while something from decades back can take the present perfect ('I've loved jazz since my teens'). What matters is whether the time frame is closed.

I've lost my passport, so I can't check in.(present result → present perfect)
I lost my passport in Bangkok, but the embassy replaced it.(located in finished past time → past simple)
I have lost my passport on Tuesday.(a stated finished time blocks the present perfect → I lost my passport on Tuesday)

Which time expressions go with each tense?

Time expressions decide most cases for you. Finished-time markers — yesterday, last week, in 2012, three days ago, at that time — demand the past simple. Open-period markers — ever, never, just, already, yet, since, for, recently, so far, this week — normally signal the present perfect.

'Ago' is the most reliable marker of all: it counts back from now to a finished point, so it always takes the past simple. 'When…?' questions behave the same way, because they ask you to name a finished time.

Have you spoken to the landlord yet?('yet' → open period reaching now)
I spoke to him two hours ago.('ago' always takes the past simple)
She has graduated last summer.(→ She graduated last summer)

How conversations move from present perfect to past simple

Real conversations use both tenses in a fixed rhythm: the present perfect introduces a topic or experience, and the past simple takes over as soon as the details begin — because details (when, where, who with) anchor the story to a finished time.

This shift is one of the clearest signs of natural English, and IELTS examiners hear it within seconds. Practise it as a two-step pattern: experience first, story second.

“I've been to Istanbul.” “When did you go?” “In 2023 — I stayed near the Galata Tower.”(introduce with present perfect, continue with past simple)
We've hired a new designer — we interviewed her last Friday.(news first, dated detail second)

When are both tenses possible?

Some time phrases can belong to either tense depending on the moment of speaking. 'This morning' is an open period at 10 a.m. but a closed one at 8 p.m.; the same applies to 'today', 'this week', and 'recently'.

American English also allows the past simple with just, already, and yet, where British English prefers the present perfect. IELTS accepts both varieties, so neither will cost you marks — but stay consistent within one answer.

I haven't had breakfast this morning. (said at 10 a.m.)(the morning is still running)
I didn't have breakfast this morning. (said that evening)(the morning is over)
Did you pack your charger yet? (US)(informal American — “Have you packed…?” is the safer exam form)

Superlatives, 'the first time' and other fixed patterns

A few patterns lock in the present perfect regardless of other signals: superlative + ever ('the best… I've ever…'), 'It's the first/second time…', and 'It's been + period + since…'. Learners who master these earn easy accuracy points, because the pattern never varies.

The mirror-image rule also holds: once the frame is past ('That was…'), everything inside it shifts to the past simple.

This is the spiciest curry I've ever ordered.(superlative + ever → present perfect)
It's the first time our team has reached the final.
That was the worst hotel we stayed in during the whole trip.('that was' → the whole pattern shifts to past simple)
It's the first time I eat oysters.(→ the first time I've eaten oysters)

Common mistakes with present perfect vs past simple

Real learner errors, corrected and explained — the fastest way to stop repeating them.

We have moved to Lagos in 2018.

We moved to Lagos in 2018.

A stated finished time (in 2018) forces the past simple — the present perfect cannot sit next to a named past date.

When have you finished university?

When did you finish university?

'When' asks you to name a specific finished time, so the question must use the past simple.

I didn't see him since Christmas.

I haven't seen him since Christmas.

'Since + starting point' describes a period that reaches the present, which requires the present perfect, not the past simple.

He has worked there until 2021.

He worked there until 2021.

'Until 2021' closes the period in the past, so the past simple is required — the job no longer touches now.

This is the first time I try Turkish coffee.

This is the first time I have tried Turkish coffee.

The fixed pattern 'It's/This is the first time…' always takes the present perfect, never the present simple.

Shakespeare has written thirty-seven plays.

Shakespeare wrote thirty-seven plays.

A dead person's lifetime is a closed period, so achievements inside it take the past simple; the present perfect needs an open 'up to now'.

Present perfect vs past simple in IELTS

Grammatical Range and Accuracy is 25% of your Speaking and Writing scores — here is where this structure earns marks.

Speaking

In Part 1, answer “Have you ever…?” questions with the two-step pattern — present perfect first, past simple details second: “I've tried surfing once; I took a lesson in Bali and fell off constantly.” Examiners hear that accurate switch as B2-level control.
In Part 2, one introductory present perfect (“I've chosen a place that has changed a lot”) followed by consistent past simple narration keeps your story accurate — tense inconsistency in stories is a common reason Grammatical Range stalls at Band 6.

Writing

In Task 1, match the tense to the period: past simple between two finished dates (“Exports fell between 2000 and 2010”) and present perfect only when the data reaches now (“…and have recovered since”). Mixing these is one of the most frequent Task 1 accuracy errors.
In Task 2, pair the tenses deliberately: past simple for historical evidence, present perfect for its present relevance — “Many countries banned leaded petrol in the 1990s, and urban air quality has improved as a result.”

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Frequently asked questions

How do I know when to use the present perfect or the past simple?

Ask whether the time period is finished. A finished time — yesterday, last month, in 2019 — takes the past simple. An unfinished or unstated time — ever, since, this year, or no time phrase at all — takes the present perfect. Whenever you name the exact past time, choose the past simple.

Can the present perfect be used with 'ago'?

No. 'Ago' measures back from now to a finished moment, so it always pairs with the past simple: 'They arrived ten minutes ago.' If you want the present perfect, drop 'ago' and use 'for' or 'since' instead: 'They have been here for ten minutes.'

Do Americans use the past simple where British speakers use the present perfect?

Often, yes — especially with just, already, and yet: 'I already ate' (US) versus 'I've already eaten' (UK). IELTS accepts both varieties. However, the two varieties agree that finished-time words like 'yesterday' require the past simple, so that core rule is universal.

Which tense should I use with 'this morning' or 'today'?

It depends on when you speak. While the period is still running, use the present perfect: 'I've answered twenty emails today.' Once the period is effectively over — saying 'this morning' at night — switch to the past simple: 'I answered twenty emails this morning.'

Why do we say 'Einstein developed relativity' but 'my professor has developed a new method'?

A dead person's lifetime is a closed period, so everything inside it takes the past simple. A living person's achievements sit in an open lifetime, so the present perfect works — their 'up to now' is still running. This is why news reports constantly mix the two tenses.

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