Present Perfect +
I/play/football
I have played football
I/not study/for the English exam.
I have not studied for the English exam.
you/ever/call/for an ambulance/?
Have you ever called for an ambulance?
They/study/for the English exam.
They have studied for the English exam.
I/not watch/my favorite/series/
I haven't watched my favourite series
she /ever/write / a song/ ?
Has she ever written a song?
You/ accept / the scholarship.
You have accepted the scholarship.
I/ not travel / to the US
I have not travelled to the US
you / feed/dog/?
Have you fed the dog?
I/do/ my homework
I've done my homework.
I/not watch/new series
I have not watched the new series.
How long/she/study/there/ ?
How long has she studied there?
He/ learn/ Spanish/ and / Chinese
He has learned Spanish and Chinese.
I/never/ be / to Malta.
I have never been to Malta.
you/ever/ travel/ to the US?
Have you ever travelled to the US?