Share Give the correct form of the verbs in brackets.
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Sarah ……………………. (collect) plenty of information for the assignment recently.
has collected
The lives of Vietnamese farmers ……………………. (change) dramatically since the invention of the harvesting machine.
have changed
He ……………………. (teach) English in this university for 3 years
has taught
His father-in-law ……………………. (do) research since last year.
has done
This is the longest essay that I ……………………. (ever/have) to write.
have ever had
……………. you ………………… (complete) your assignment yet ?
have you competed
I realize that I ……………………. (not spend) much time away from home up to now, but am keen to become more independent.
haven't spent/ have not spent
Mr Green. (teach)_______ English in this school since he (graduate)_______ from the university in 1986.
has taught- graduated
The children were playing football when their mother (come) ________ back home.
come
The bell (ring) __________ while Tom (take) ____________a bath.
rang-was taking
