1. The concert _____ (begin) at 8 p.m. tonight.
2. I _____ (not eat) sushi before, but I want to try it.
3. They _____ (play) tennis every Saturday morning.
4. She _____ (read) a book when the phone rang.
5. We _____ (visit) Rome two years ago.
6. The train _____ (arrive) in five minutes.
7. He _____ (write) a letter when the power went out.
8. They _____ (stay) at a hotel during their vacation.
9. I _____ (not finish) my homework yet.
10. She _____ (dance) beautifully at the party last night.
11. We _____ (go) to the beach last weekend.

`1,` begins

- DHNB : at `8` p.m tonight -> HTĐ

- KĐ : S + V-s/es/inf ...

`2,` haven't eaten

- DHNB : before -> HTHT

- PĐ : S + have/has + not + P2 ...

`3,` play

- DHNB : every Saturday morning -> HTĐ

- KĐ : S + V-s/es/inf ...

`4,` was reading

- Hành động đang diễn ra thì hành động khác chen vào

- When QKĐ, QKTD

- KĐ : S + was/were + V-ing ...

`5,` visited

- DHNB : two years ago -> QKĐ

- KĐ : S + V2/ed ...

`6,` is going to arrive

- DHNB : in five minutes -> TLG

- KĐ : S + am/is/are + going + to Vbare-inf ...

`7,` was writing

- Hành động đang diễn ra thì hành động khác chen vào

- When QKĐ, QKTD

`8,` stayed

- QKĐ - KĐ : S + V2/ed ...

`9,` haven't finished

- DHNB : yet -> HTHT

- PĐ : S + have/has + not + P2 ...

`10,` danced

- DHNB : last night -> QKĐ

- KĐ : S + V2/ed ...

`11,` went

- DHNB : last weekend -> QKĐ

- KĐ : S + V2/ed ...

`1.` will begin

`-` tonight `-` TLĐ

`-` TLĐ: `(+)` S + will +  V_inf + O

`2.` haven't eaten

`-` S + has/have + not + V3/ed + O + before

`3.` was reading

`-` QKTD, when+  QKĐ

`->` hành động đang diễn ra thì có 1 hành động khác bất chợt xen vào

`4.` visited

`-` two years ago `-` QKĐ

`-` QKĐ: `(+)` S + V2/ed + O
`5.` will arrive

`6.` was writing

`7.` stayed

`8.` haven't finished

`-` yet `-` HTHT

`-` HTHT: `(+)` S + has/have + V3/ed + O

`9.` danced

`-` last night `-` QKĐ

`10.` went

`-` last weekend `-` QkĐ