Ex 3 1 : waited 2:did 3: cleaned 4:dusted 5:cooked 6:have you made 7:met 8:have you left 9:came 10:lost
Ex4 We have been selling books for years They have been dancing together since the party began I have not seen them for two months How long have they been watching television She hasn’t had a bath for weeks She has been working in oxford since i met her They have been married since 1968 Jane and Steeve have been living together since the beginning of the year