Trl nhanh nhé , câu trả lời hay nhất + 5sao + cám on

`Ex3:`

`1.` was studying

`2.` were they doing

`3.` taught

`->` QKĐ + when + QKĐ (hành động xảy ra liên tiếp)

`4.` didn't go

`->` last week `->` QKĐ

`5.` was working

`6.` were sitting

`7.` made `-` cleaned

`->` diễn tả hành động xảy ra nối tiếp nhau `->` thi QKĐ

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

$\text{*Structure: Past Simple:}$ (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

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

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

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

`-` `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,...

`-` When + S + Ved/V2, S + was/were + V-ing

$\text{1.}$ was studying

$\text{2.}$ were they doing

$\text{3.}$ taught

$\text{4.}$ didn't go

$\text{5.}$ was working

$\text{6.}$  were sitting

$\text{7.}$ made/ cleaned 

$\text{— — — — — — — — }$

$\text{৹}$ Kiến thức

$\textit{1.}$ $\text{Thì Quá Khứ Đơn}$

$\text{*}$ Verb

$\text{(+)}$ S $\text{+}$ V(2/ed) 

$\text{(–)}$ S $\text{+}$ didn't $\text{+}$ V-inf 

$\text{(?)}$ Did $\text{+}$ S $\text{+}$ V-inf? 
$\text{*}$ Tobe
$\text{(+)}$ S $\text{+}$ was/were...

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

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

$\rightarrow$ DHNB: last year, yesterday, ago,....

$\textit{2.}$ $\text{Thì Quá Khứ Tiếp Diễn}$

$\text{(+)}$ S $\text{+}$ was/were $\text{+}$ V_ing

$\text{(–)}$ S $\text{+}$ was/were $\text{+}$ not $\text{+}$ V_ing 

$\text{(?)}$ Was/Were $\text{+}$ S $\text{+}$ V_ing ?  

$\rightarrow$ DHNB: when, while, at that time, at $\text{+}$ giờ chính xác $\text{+}$ thời gian trong QK, In $\text{+}$ năm xác định. 

$\text{–}$ Use: Hành động, sự việc đang diễn ra trong QK thì có 1 hành động, sự việc khác xen vào 

$\rightarrow$ Dùng Thì QKTD cho hành động đang diễn ra và Thì QKĐ cho hành động xen vào)

$\rightarrow$ Cấu trúc: When $\text{+}$ S $\text{+}$ V(2/ed), S $\text{+}$ was/were $\text{+}$ V_ing