EX1: Chia theo thì
1, I guess I(finish).... my assignment for this semester on time
2, Mai: This bag is too heavy!
Nam: Don't worry. I (carry)...it for you
3, More than 10 pages (type) ... so far
4, We (drive) ... when we (realize)... that it was snowing more and more heavily
5, My classmate and I(just/receive)... the results of our recent exams
EX2: Sắp xếp lại câu
1, is/ at the moment/ The/ improving/ financial/ company's/ situation/
......................................................
2, want/ the/ Be/ to/ quiet/ hear/ I/ news
.............................................
3, to/ ?/ visit/ going/ this/ where/ summer/ are/ holiday/ you
..................................................
4, purchased/ and/ last/ sister/ a lot/ his/ of/ Tom/ novels/ winter
..............................................
5, Christmas/ They/ decorating/ trees/ 8pm/ were/ yesterday, / at
........................................
6, when/ I/ talking to/ asked/ a friend/ the/ me/ teacher/ a question./ was
...............................................
7, phoned/ Sam/ 2 months. /has/ her/ the past/ not/ for/ parents
..................................................
8. achievements/ Scientists/ in/ have/ great/ technology/ made/and/ information
......................................................
EX3: Sửa lỗi sai
1. On their trip last year, they help a lot of food before
=> This is the fisrt....................................................
2. She started working as a secretary five years ago.
=> She has................................
3. She knows a lot more about it than I do
=> I don't know.............................
4. I'm always nervous when I travel by air
=> Traveling....................................
5. We spent 5 hours getting to London
=> It took.....................................