đưa ra các dạng đúng của các động từ: 1.Hung ( not go ) ................ camping this summer 2.Son ( write) ............................. to their friends at the moment 3.He (not/write) ............................ to his friend since last month 4.He often (pick) ....................... his friend up at the train way station morning 5. She can (do) ................. your homework very well 6.I ( already/read) .................. an interesting novel 7. They always ( talk) ............ to each other in the weekend 8.What about (go) ........ out with your father? 9.Thanh and Hung invite me (have)................ a wonderful party 10.Mai and Hang ( already/play)...... the game 11.I (never/wash) ...... my clothes before 12.She (not/be)....................... at home the last night 13.This is the first time I ( see) ...... Lan 14.Mr.Mai ( not/water)............................. the plant every morning 15.We (not/meet) .............. Lan yet 16.He might (listen) ......................... to the telephone at the moment 17.They always (not go) .............. to the school by train 18.He can't (drink) .................. beer at the bar 19. They (sing) ...................... in the her room rightnow 20.Mi and Thanh (talk) ............................... on the telephone now?