Trả lời:

`1.`  did you meet

`2.`  was watching `-` was

`3.`  were

`4.`  were arguing `-`  walked

`5.`  rang − was taking

`6.`  boils

`7.`  arrived `-` was still sleeping

`8.`  sold

`9.`  met

`10.`  is

`11.` practices

`12.`  did you do

`13.`  did you go

`14.`  goes

`15.`  did you do

`16.`  are listening

`17.`  rains

`18.`  was doing − phoned

`19.`  gets

 Giải thích:

HTĐ (Present Simple):

`(-)` Tobe

`(+)` S + am/ is/ are+ N/ Adj

`(-)` S + am/are/is + not +N/ Adj 

`(?)`  Am/ Are/ Is (not) + S + N/Adj?

`(-)` V_ thường

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

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

`(?)  Do/ Does (not) + S + V (nguyên thể)?

QKTD (Past continuous):

`(+)`  S + was/were + V-ing

`(-)` S + wasn’t/ weren’t + V-ing

`(?)` Was/ Were + S + V-ing ?

`Wh:` Wh- + was/ were + S + V-ing?

`-` DHNB: while, when

QKĐ (Simple Past):

`(-) ` Tobe:

`(+)`  S + was/ were +…

`(-)`  S + was/ were + not

`(?)`  Was/ Were + S +…?

`WH-:` WH-word + was/ were + S (+ not) +…?

`(-)` V_ thường:

`(+)` S + V2/ed +…

`(-)`  S + did not + V (nguyên mẫu)

`(?)` Did + S + V (nguyên thể)?

`Wh:` WH-word + did + S + (not) + V (nguyên mẫu)?

`-` DHNB: last night, 2 years ago.

`#SAD`

`1` did you meet

`=>`  Did + S + V..?

`2` was watching ..was

`=>`While + S + was/were + V_ing + O , S + V(quá khứ) + O ...

`3` were

`=>` WH-word + was/ were + S (+ not) +...?

`4`  were arguing... walked

`=>` S + was/were + Ving + O…

`5` rang/was taking

`=>` QKĐ while QKTD

`=>` QKTD: S + was/were + Ving + O…

`=>` QKĐ:S+Ved/2

`6` boils

`=>` Câu chỉ sự thật hiển nhiên `->` chia thì hiện tại đơn.

`=>`S+ V(s/es) + O 

`7`  arrived/was still sleeping

`=>` when+ QKĐ, QKTD

`8` sold

`=>`S + Ved/2

`9` met

`=>`“in 1982” là thời gian xác định trong quá khứ `=>` chia ở thì quá khứ đơn

`10`is

`11` pratices

`=>` everyday: thì hiện tại đơn

`=>` S+Vs/es

`12`did you do

`=>`yesterday: thì QKĐ

`=>`Wh-words + did+S+V

`13` did you go

`=>` last month:thì QKĐ

`->` Did+S+V

`14`goes

`=>`everyday: thì HTĐ

`=>` Jane là chủ từ số ít

`=>`S+Ves/s

`15`did you go

`=>` ago: thì QKĐ

`=>` Did+S+V

`16` are listening

`=>`at the moment: thì HTTD

`=>`S+am/is/are+V-ing

`17` rains

`=>` often: thì HTĐ

`18` was doing.. phoned

`=>` QKTD + when+QKĐ

`19` gets

`=>`always: thì HTĐ

`=>` Jim là chủ từ số ít

`=>`S+Ves/s