`a.` am not studying

`b.` play

`c.` does ___ live

`d.` doesn't take

`e.` does ___ do

`f.` are talking

`g.` is ___ writing

`h.` is playing

`i.` usually travel

`j.` eats

`k.` is speaking

`l.` is wearing

`m.` never drink 

`n.` do ___ speak

`---------`

`***` Present Simple:

`(+)` S `+` V(s`/`es)

`(-)` S `+` don't`/` doesn't `+` V

`(?)` Do`/`Does `+` S `+` V `..?`

`*DHNB:` every ..... , always, usually, at night, .....

`***` Present Continuous:

`(+)` S `+` tobe `+` V`-`ing

`(-)` S `+` tobe not `+` V`-`ing

`(?)` Tobe `+` S `+` V`-`ing `...?`

`*DHNB:` now, right now, Look`!`, .....

`a)` am not studying (now: DH thì HTTD)

`b)` play (always: DH thì HTĐ)

`c)` does - live

`d)` doesn't take (in the morning: DH thì HTĐ)

`e)` does - do (every morning: DH thì HTĐ)

`f)` are talking

`g)` is - writing (now: DH thì HTTD)

`h)` plays

`i)` usually travel (usually: DH thì HTĐ)

`j)` eats

`k)` is speaking (Look!: DH thì HTTD)

`I)` wears

`m)` never drink (never: DH thì HTĐ)

`n)` do - speak

`->` Cấu trúc:

`+` thì Hiện tại đơn:

`-` với động từ thường:

`(+)` S + Vs/es

`(-)` S + do/does + not + V

`(?)` Do/Does + S + V?

`+` thì Hiện tại tiếp diễn:

`-` với động từ thường:

`(+)` S + am/is/are + V_ing

`(?)` S + am/is/are + not + V_ing

`(?)` Am/Is/Are + S + V_ing?