Question

7- i______ (be) to China ______
2002.
a- didn't go / for
b- haven't been / since
c- haven't gone / for

8- I left the university in 1995. I ______ (work) in this ________company ________
about
a- fifteen years.
b- did work / for
c- worked / since
d- have worked / for

9- We haven't seen John ______
Sunday. He just disappeared.

a- yet
b- since
c- for

10- Alan and Anne have been
married _____ twelve years
a- since
b- already
c- for ​

Answer 1

⇒⇒  Present Perfect

7- I  haven't been to China since 2002.

8- I left the university in 1995. I have worked in this company for about

fifteen years.

9- We haven't seen John since  Sunday. He just disappeared.

10- Alan and Anne have been  married for twelve years .

⇒⇒ Present Perfect >>> tempo verbal que indica quando a ação começou ou quanto tempo faz que ela está ocorrendo.

have >> usado com I - we - you - they

has   >> usado com he - she - it

Estrutura

Sujeito + have / has + verbo particípio

David has lived in Texas since 1990.

My sisters have studied English for many years.

Negativa (have + not = haven't   /   has + not = hasn't)

Sujeito + have / has + not + verbo particípio

David hasn't lived in Texas since 1990.

My sisters haven't studied English for many years.

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