Ex 3

1. to go (forget to V: quên lm j)

2. knowing (admit Ving: thừa nhận điều j)

3. to use (allow to do sth: cho phép lm j)

4. receiving (appreciate Ving: khuyến khích việc gì)

5. had - had written - never replied (thì Qk, riêng "had written" là bởi vì hành động đã được lm xg r)

Ex 4.

1. How many guests were there at the party? (đảo there were -> were there vì là câu hỏi)

2. When did Mr. Burke bought his new car? (last Sunday -> when vì chỉ thời gian)

3, Where is Detroit? (seven hundred miles from here -> where vì chỉ nơi chốn)

$1.$ to go

- forget + to V: quên làm gì.

$2.$ to knowing

- admit + to V-ing: thừa nhận việc gì.

$3.$ to use

- allow + to V: cho phép làm gì.

$4.$ receiving

- appreciate + V-ing: trân trọng, đánh giá cao điều gì.

$5.$ had/ has written/ never replies

- S + V (-ed/ bất quy tắc).

- S + have/ has + V3.

- S + V (s/es).

$================="$

$1.$ How many guests were there at the party?

- "fourteen": chỉ số lượng- đếm được.

$→$ Dùng "How many".

$2.$ When did Mr. Burke buy his new car?

- "last Saturday": chỉ thời gian.

$→$ Dùng "When".

$3.$ How far is it from here to Detroit?

- "seven hundred miles": khoảng cách.

$→$ How far is it from $A$ to $B$?