Fill in the blanks with since or for.
1It has been two weeks ............... I heard anything from him.
Wrong!
Use "since" before the clause "I heard anything from him" because it marks the starting point.
2I have been working ............... twelve hours.
Wrong!
Use "for" with "twelve hours" because it is a period of time.
3What have you been doing ............... you left college?
Wrong!
Use "since" before the clause "you left college" because it marks the starting point.
4It rained ............... days on end.
Wrong!
Use "for" with "days on end" because it is a period of time.
5She has been jobless ............... she left college.
Wrong!
Use "since" before the clause "she left college" because it marks the starting point.
6Ever ............... he left his home, he has been living on charity.
Wrong!
Use "since" in "Ever since" to mean from that time until now.
7The child has been asleep ............... two hours.
Wrong!
Use "for" with "two hours" because it is a period of time.
8The woman has been missing ............... Monday.
Wrong!
Use "since" with "Monday" because it marks the starting point.
9We have been trying to fix the problem ............... this morning.
Wrong!
Use "since" with "this morning" because it marks the starting point.
10I have been working on a new project ............... June.
Wrong!
Use "since" with "June" because it marks the starting point.
11I waited ............... hours, and then I went home.
Wrong!
Use "for" with "hours" because it is a period of time.
12He has been playing tennis ............... two hours.
Wrong!
Use "for" with "two hours" because it is a period of time.
Done.
Score: 0/12
Answers
- It has been two weeks since I heard anything from him.
- I have been working for twelve hours.
- What have you been doing since you left college?
- It rained for days on end.
- She has been jobless since she left college.
- Ever since he left his home, he has been living on charity.
- The child has been asleep for two hours.
- The woman has been missing since Monday.
- We have been trying to fix the problem since this morning.
- I have been working on a new project since June.
- I waited for hours, and then I went home.
- He has been playing tennis for two hours.

