IV. How long +is it since+ S +Ved/ V2……?= When + did+ S + V……?
1. How long is it since you used the car?
=> When................................................................................................................ ?
2. How long is it since they moved here?
=>When................................................................................................................ ?
3. How long is it since he bought that computer?
When................................................................................................... ?
4. How long is it since she heard that news? When.................................................................................................... ?
5. How long is it since they made these cakes? When....................................................................................................... ?
6. When did he last saw this film?
How long........................................................................................................................ ?
7. When did his father watch this news?
How long.............................................................................................................. ?
8. When did you first see her?
=>How long.................................................................................................................. ?
9. When did you first know her?
=>How long....................................................................................................................... ?
10. When did you start working in that factory?
=>How long
IV. How long +is it since+ S +Ved/ V2……?= When + did+ S + V……?
1. How long is it since you used the car?
=> When did you use the car ?
2. How long is it since they moved here?
=>When did they move here ?
3. How long is it since he bought that computer?
⇒When did he buy that computer ?
4. How long is it since she heard that news?
⇒When did she hear that news?
5. How long is it since they made these cakes?
⇒When did they make these cakes ?
6. When did he last saw this film?
How long is it since he last saw this film ?
7. When did his father watch this news?
How long is it since his father watched this news ?
8. When did you first see her?
=>How long is it since you saw her first ?
9. When did you first know her?
=>How long is it since you knew her first ?
10. When did you start working in that factory?
=>How long is it since you started working in that factory?