Giúp mình vs ạ mình cảm ơn ạ

`II.`

`1.` were watching

`->` all yesterday evening `->` QKTD

`2.` were you doing `-` were going

`->` at `7` o'clock last Sunday `->` QKTD

`4.` Was Hoa listening

`->` at this time yesterday `->` QKTD

`5.` did you travel

`->` last Summer `->` QKĐ
`6.` Did they buy

`->` two years ago `->` QKĐ
`7.` did you do `-` bought

`->` yesterday morning `->` QKĐ
`8.` was he doing `-` was working

`->` this time last Sunday `->` QKTD

`9.` were playing

`->` all last Sunday afternoon `->` QKTD

`10.` wasn't playing

`->` at `4.00` yesterday morning `->` QKTD

`----------------`

$\text{*Structure: Past Simple:}$ (thì Quá khứ đơn)

`-` Đối với đt thường:

$\text{(+) S + Ved/V2 + ...}$

$\text{(-) S + did not + -bare + ...}$

$\text{(?) Did + S + V-bare + ...?}$

`-` Đối với đt tobe

$\text{+) S + was/were + ...}$

$\text{(-) S + was/were not + ...}$

$\text{(?) Was/were + + ...?}$

`-` Ngôi thứ `1;3` số ít: I/he/she/it/tên riêng/ danh từ số ít`->` tobe là was

`-` Ngôi thứ `1;2;3 số nhiều`: you/we/they/danh từ số nhiều `->` tobe là were

`-` `DHNB:` yesterday, ago, last night, last Sunday/Monday/Tuesday/...

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$\text{*Structure: Past Continuous: }$ (thì quá khứ tiếp diễn)

$\text{(+) S + was/were + V-ing + ...}$

$\text{(-) S + was/were not + V-ing + ...}$

$\text{(?) Was/Were + S + V-ing + ...?}$

`DHNB:` at `+` giờ `+` thời gian trong quá khứ, at this time `+` time in the past, in `+` năm,...