câu 1 :   1, arriving  2, loading   3, lying   4, going   5,writing    6, getting    7,copying    8,riding   9 , watching   10 , sitting   11 , having    12 , listening                                                                                                                                                                                                                   câu 2   1 , is riding    2, am playing  - is watching   3, are sitting   4, am eating   5,is doing   6, is brushing  7, is talking   8,is sleeping  9,is doing  10 , is watching  11. is going  12, are playing  13. is sitting  14,is eating  15 ,is having  16 , is playing  17 , is being  18 , is coming  19, are  walking  20, are doing 21,is playing  22, what is your mother doing  23,is going    24 , goes - is taking  25, is eating  26 ,am watching   27, is listening  28,are playing   29,aredoing   30,are reading   31,is washing  32,is driving    33,are going   34,are having   35,is reading    36, are doing     37,are brushing    38, are travelling  39, is doing - is sleeping    40 , aren ' t working  - are doing    41,is doing - is watching   42.is reading   43,are playing   44, are washing   45, is travelling   46,  what is mr hung reading now    -   is listening         
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