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Present perfect vs past simple - Coggle Diagram
Present perfect vs past simple
We use the past simple and present perfect for:
Present perfect
for emphasise actions
To indicate an unfinished action
It's both past and present
Past simple
For emphasising the time
For finished action in the past.
Form
Past simple
Regular verbs
Affirmative
Subject+base form-ed
Negative
Subject+didn't + base form
Interrogative
Did+subject + base form?
WH-word + did + subject + base form ?
Irregular verbs
Affirmative
Subject+2nd form
Negative
Subject+didn't + base form
Did+subject + base form?
Interrogative
Did+subject + base form?
WH-word + did + subject + base form ?
Present perfect
Positive
S+Have/has+past participle
Negative
S+have not(haven't)/has not (hasn't) + past participle
Interrogative
Have/Has+subject + past participle
With the present perfect we can use adverbs like:
yet,already,just,recently,lately,ever and never
With the past simple we can use adverbs like
often,once,twice,always,frequently ...
When we use the present perfect and past simple?
The simple past tense shows that you are talking about something that has already happened
The present perfect tense is used when talking about experiences from the past, a change or a situation that has happened in the past but is still continuing today.
