你可能感兴趣的试题
am; has forgotten was; had forgotten was; forget am; will forget
A. began ; got had begun ; had got began ; had got had begun ; got
used; used was used; got used used; got used got used; been used
A. began ; got had begun ; had got began ; had got had begun ; got
was a had young man used to cause much trouble when he was a boy got into trouble with the police used to be afraid of the dark.
didn't get… had had got… had had had got… had bad got… hadn't had
were discussing have discussed had discussed would discuss
had he got; when had he got; than he had got; when he had got; than
had they got to the plant then had they got to the plant than had they got to the plant when they had got to the plant than
am; has forgotten was; had forgotten was; forget am; will forget
got , had forgotten got , forgot got , had left had got , had left
mostly did nearly had almost did almost had
will be hurt would get hurt had got hurt were hurt
had been away from home; had got had been away from home;got had gone out; had got had gone out; got
has much to do with the operation of the engine and its life have much to do with the operation of the engine and its life has much doing with the operation of the engine and its life have much doing with the operation of the engine and its life
was; got had been; got was; had got had been; had got
had got…had waited got…waited had got…waited got…had waited
did they know have they known have they got to know had they known
am; has forgotten was; had forgotten was; forget am; will forget