Giúp mình bài 4 với mn ơi

`Ex4:`

`1.` moved

`2.` has been

`3.` have gone

`4.` spent

`5.` has explained

`6.` delivered

`7.` hasn't finished

`8.` have visited

`9.` heard

10.` haven't started

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

`-` Đối với đt thường:

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

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

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

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

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$\text{*Structure: Present Perfect}$ (thì Hiện tại hoàn thành)

$\text{(+) S + have/has + P2}$

$\text{(-) S + have/has not + P2}$

$\text{(?) Have/Has + S + P2?}$

`DHNB:` since, for `+` khoảng thời gian,... 

$chucbanhoctot$
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