1.Yesterday, I ( be) sick. 2. When I (be) small , I ( like ) playing soccer. 3. He and she ( be ) close friends. 4. Last year, we ( go ) to Laos.v 5. My uncle (be) an inventor. 6. He ( help ) the old man to cross the road yesterday. 7. She ( leave ) the village four years ago. 8. Edison ( invent ) the light in 1923. 9. I ( play ) chess with my cousin at the moment. 10. Yesterday, I ( get ) up early. 11. It ( be ) beautiful but now it is ugly. 12. I very much ( enjoy ) the party. 13. When I ( live ) in Manchester , I ( work ) in a bank . 14. We ( invite ) them to our party but they ( decide ) not to come. 15 The police ( stop ) me on my way home last night. mình cần gấp!!

`1.` was

`-` DHNB `:` Yesterday `->` Thì quá khứ đơn

`2.` was/ liked

`3.` were

`4.` went

`-` DHNB `:` Last year `->` Thì quá khứ đơn

`5.` was

`6.` helped

`-` DHNB `:` Yesterday `->` Thì quá khứ đơn

`7.` left 

`-` DHNB `:` ago `->` Thì quá khứ đơn

`-` leave - left - left: rời đi

`8.` invented

`-` DHNB `:` in 1923 `->` Thì quá khứ đơn

`9.` am playing

`-` DHNB `:` at the moment `->` Thì hiện tại tiếp diễn

`10.` got

`-` Yesterday là DHNB

`11.` was

`12.` enjoy

`13.` lived/ worked

`14.` invited/ decided

`15.` stopped

`-` DHNB `:` last night `->` Thì quá khứ đơn

________________________________________

`-` Thì hiện tại đơn: S + V(s/es)

`-` Thì hiện tại tiếp diễn: S + am/ is/ are + V-ing.

`-` Thì quá khứ đơn: S + Ved/ V2

Past Simple :

 Tobe:

(+) S + were/was + ...

(-) S )+ weren't/wasn't + ...

(?) Were/Was+S+...

  Verb:

(+) S + Ved/Vcột2 + ...

(-) S + didn't + ...

(?) Did + S + V

1 . was

2 . was , liked

3 . were

4 . went

5 . was

6 . helped

7 . left 

8 . invented

9 . am playing ( HTTD / I + am + Ving )

10 . getted

11 . is ( HTĐ / It + is + ... )

12 . enjoy ( HTĐ )

13 .  lived

14 . invite ( HTĐ )

15 . stopped