This is a great explanation and comparison of the past simple and present perfect tenses.
In this article we are going to speak about some grammar tenses in English – Past Simple and Present Perfect. Here I have a table for you, so you can see how and when we can use these two grammar tenses.
auxiliary verb – did. We use it to create the negative form and question.
I sent a message to my friend 5 minutes ago. (here we use SENT – past simple form from TO SEND)
He didn’t send a message to his friend. (here we use the infinitive)
Did they send a message? (here we also use the infinitive)
auxiliary verb – have/has. After we use the past participle of a verb.
I have done all my exercises.
He hasn’t been to New York.
Have you ever seen this film?
To understand better
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