I (not see) did not saw  him since last Monday.
We (not live)  are not living in England for two years now.
George (work)works  at the university so far.
My father (not smoke) have not smoke   for 5 years.

Supply the correct tense form of the verbs in brackets (chia động từ)
Mr. Jones (be) …………………has been………………………principal of our school since last year.
Mr. Smith (teach) …………………………has taght………………at this school since he (graduate) ………………………grauated…………………in 1980.
John (drive) …………………has drived………………………that car ever since I (know) ……………………knew…………………… him.
I (not see) him since last Monday.
We (not live) ......aren't living.....in England for two years now.
George (work) ...works...at the university so far.
My father (not smoke)  ....hasn't smoken....for 5 years.
How long .....are.  Bob and Mary (be) married?
You (receive) any letter from your parents yet?
My brother (join)  the army when he (be) young.