Làm hết hộ mình nha

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`51.` plays (often: DH thì HTĐ)

`52.` don't walk (on Sundays: DH thì HTĐ)

`53.` open (usually: DH thì HTĐ)

`54.` isn't sitting (now: DH thì HTTD)

`55.` is reading (at present: DH thì HTTD)

`56.` watches (everyday: DH thì HTĐ)

`57.` Do they go (everymorning: DH thì HTĐ)

`58.` go (never: DH thì HTĐ)

`59.` is listening (now: DH thì HTTD)

`60.` write (often: DH thì HTĐ)

`61.` Does she play 

`62.` walk (never: DH thì HTĐ)

`63.` opens (often: DH thì HTĐ)

`64.` is sitting (now: DH thì HTTD)

`65.` Is Nam reading (at the moment: DH thì HTTD)

`66.` isn't watching (now: DH thì HTTD)

`67.` go (everyday: DH thì HTĐ)

`68.` goes (often: DH thì HTĐ)

`69.` Is she listening (at present: DH thì HTTD)

`70.` is writing (Look!: DH thì HTTD)

`71.` watches (every evening: DH thì HTĐ)

`72.` aren't reading (now: DH thì HTTD)

`73.` is - plays (everyday: DH thì HTĐ)

`74.` Do you play (every afternoon: DH thì HTĐ)

`75.` are - are playing (now: DH thì HTTD)

`76.` are you doing - am washing (now: DH thì HTTD)

`77.` washes (often: DH thì HTĐ) - is reading (at the moment: DH thì HTTD)

`78.` is coming (Hurry up!: DH thì HTTD)

`->` Cấu trúc:       

`-`  thì Hiện tại đơn:

`-` với động từ:

`(+)` S + Vs/es

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

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

`-` với tobe:

`(+)` S + am/is/are 

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

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

`-` thì Hiện tại tiếp diễn:

`-` với động từ:

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

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

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

`-` với tobe:

`(+)` S + am/is/are 

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

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