* For + khoảngthờigian Ex: You have studied English for 4 years.
* Since + mốcthờigian Ex: She has studied English since 2003.
1/ Miss Hien (teach)…………………….in our school since 1995.
2/ We (already study)........................the first semester.
3/ We..............................(wait) for you since two o’clock.
4/ He (not finish)……………………..his project yet
5./ She (already buy)………………………….a jacket.
6/………….you (have)………………..a computer yet?
7/ ………………you (post )……………..the letter yet?
8/ I (not receive)…………………his letter yet.
9/ David (leave)……………………the party for 2 hours
10/ We (see) …………………………….that film since 3 years.
mog mọi ng giúp mik.mik cần ngay bây h
* For + khoảngthờigian Ex: You have studied English for 4 years.
* Since + mốcthờigian Ex: She has studied English since 2003.
1/ Miss Hien (teach)…has taught………………….in our school since 1995.
2/ We (already study).......have already studied.................the first semester.
3/ We..............have waited................(wait) for you since two o’clock.
4/ He (not finish)………hasn't finished……………..his project yet
5./ She (already buy)………has already bought………………….a jacket.
6/…Have……….you (have)………had………..a computer yet?
7/ ………Have ………you (post )……posted………..the letter yet?
8/ I (not receive)………haven't received…………his letter yet.
9/ David (leave)……………has leaf………the party for 2 hours
10/ We (see) ……………………have seen……….that film since 3 years.