chia động từ  1 he often ( go )............ to school on foot. 2 It ( rain ) ................. very hard now . 3 The sun ( warm ) ........... the air and ( give ) ................. us light 4 Look ! A man ( run ) after the train  5 she ( go  ) .................... to school everyday 6 Bad students ( not work ) ........ hard 7 It ofter ( rain ) ........................ in the summer 8 the teacher always ( point ) ................... at the black- board when he ( want ) ..................... to explain something 9 Mother ( cook ) ......................... some food in the kitchen at the moment , she always .................. ( cook ) in the morning 10 I always ( meet ) ....................him on the corner of the street 11 Where ............... you ( go ) ................ now ? - I ( go ) ........... to the theater. 12 He ( not do ) .............. morning exercises regularly . 13 .......................he ( do ) ...............morning exercises now ? 14 Water ( boil ) .......................at 100 degrees centigrade 15 ................ you ( be ) a good student ? 16 They ( not go ) ................ to school by motorbike 17 He ( swim ) ...........over there now  18 They ( not be ) ........................ doctors 19 He ofter ( get ) ....................up late 20 ..........you ofter ( watch ) ............TV ? 21 ....................mr . Brown ( listen ) ................to music now ? 22 I usually ( go ) ...................... ( shop ) ................... at the weekend . 23 Hai ofter ( wash ) ......................... his face at 6,15 24 ............................she ( play ) .................... badminton at the moment ? 25 Thanh and mai always ( see ) .................a movie on saturday  26 ....................he ofter ( take ) ......................... bus to schoon? 27 we ( be ) ..........students in class 8A  28 she ofter ( not do ) ...............homework in the evening  29 he usually ( take ) ...........................a taxi to the airport 30 they usually ( not go ) .............. to school by bike