$\text{1. }$sailed

$\text{2. }$was

$\text{3. }$started

$\text{4. }$finished

$\text{5. }$wanted

$\text{6. }$wasn't

$\text{7. }$were

$\text{8. }$didn't sail

$\text{9. }$was

$\text{10. }$sailed

$\text{11. }$was

$\text{12. }$didn't live

$\text{13. }$lived

$\text{14. }$completed

$\text{15. }$didn't receive

- Cấu trúc quá khứ đơn:

+ TOBE: 

(+)  I/He/ she/it/ Danh từ số ít+ was+...

      We/ you/ they/ Danh từ số nhiều+were+...

(-)   I/He/ she/it/ Danh từ số ít+ wasn't+...

      We/ you/ they/ Danh từ số nhiều+weren't+...

(?)  Was+ I/he/ she/it/ Danh từ số ít+...?

      Were+ we/ you/ they/ Danh từ số nhiều+...?

ĐỘNG TỪ THƯỜNG :

(+) S+ V_ed/ bqt

(-) S+ didn't+ V(inf)

(?) Wh-question+did+ S+ V(inf)?

$@themoonstarhk$

`#wdr`

`-` sailed

`-` was

`-` started

`-` finished

`-` wasn't 

`-` were

`-` didn't sail

`-` was

`-` sailed

`-` was

`-` didn't live

`-` lived 

`-` completed

`-` didn't receive

-----CẤU TRÚC QUÁ KHỨ ĐƠN-----

`+` S + V(ed)

`+` S +was/ were+ N/Adj

`-` S + didn't + V(inf)

`-` S + wasn't/weren't + N/Adj 

`?` Did + S+ V(inf) + ?

`?` Was/were + S + N/Adj + ?