`1.` goes ( HTĐ - often )
`2.` is leaving ( Look - HTTD )
`3.` cries ( seldom - HTĐ )
`4.` am writing ( Be quiet - HTTD )
`5.` walks ( usually - HTĐ )
`6.` is going
`7.` go
`8.` are playing
`9.` Does he watch
`10.` am not doing ( at the moment - HTTD )
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`-` Cấu trúc HTĐ: S + Vs/es + ..
`-` Cấu trúc: HTTD: S + am/is/are + V_ing +...