Đáp án:

Giải thích các bước giải:

 Q.1: to return - congthuc: S + promise + to V + (O).

Q.2: relaxing - conghtucL S + enjoy + V-ing + (O).

Q.3: studying - congthuc: S + advoid + V-ing + (O).

Q.4: to translate - congthuc: S + offer sb + to V + 9(O). < đề nghị...>

Q.5: writing - congthuc: S + finish + V-ing + (O). 

Q.6: leave - conthuc: S + expect + to V +(O).

Q.7: to eliminate - congthuc: S + refuse + to V + (O). <từ chối..>

Q.8: trying - congthuc: S + consider + V-ing + (O). <xem như..>

Q.9: travelling - congthuc: Suggest + V-ing + (O)...

Q.10: to reserve - congthuc: <Q.1>.

Q.11: hearing - congthuc: S + appreciate + V-ing + (O).

Q.12: leaving- cong thuc: S + postpne + V-ing + (O). <hoãn làm>.

Q.13: to buy - cong thuc: need + to do + smth.

Q.14: using - cong thuc: practice + Ving + (O).

Q.15: waiting - conthuc: Would you "mind" + Ving...?

Q.16: (to) suggest - congthuc: dare + (to) V + (O).

Q.17: writing - congthuc: S + postpone = delay = put off = call off + V-ing + (O).<hoãn làm>

Q.18: to receive - congthuc: hope + to V.

Q.19: knowing - congthuc: deny + V-ing + (O). <phủ nhận>

Q.20: to leave - congthuc: plan + to V + (O)   hoặc plan + on + V-ing + (O). <dự định>.

___by:hạvy bbi_nee____

`1.`

$\text{Form:}$

`+)` promise to do sth

return `=>` to return

`2.`

$\text{Form:}$

`+)` enjoy doing sth

write `=>` writing

`3.`

$\text{Form:}$

`+)` avoid doing sth

study `=>` studying

`4.`

$\text{Form:}$

`+)` offer to do sth

translate `=>` to translate

`5.`

$\text{Form:}$

`+)` finish doing sth

write `=>` writing

`6.`

$\text{Form:}$

`+)` expect to do sth

leave `=>` to leave

`7.`

$\text{Form:}$

`+)` refuse to do sth

eliminate `=>` to eliminate

`8.`

$\text{Form:}$

`+)` consider doing sth

try `=>` trying

`9.`

$\text{Form:}$

`+)` suggest doing sth

travel `=>` travelling

`10.`

$\text{Form:}$

`+)` promise to do sth

reserve `=>` to resvere

`11.`

$\text{Form:}$

`+)` appreciate doing sth

hear `=>` hearing

`12.`

$\text{Form:}$

`+)` postpone doing sth

leave `=>` leaving

`13.`

$\text{Form:}$

`+)` need to do sth

buy `=>` to buy

`14.`

$\text{Form:}$

`+)` practise doing sth

use `=>` using

`15.`

$\text{Form:}$

`+)` would sb mind doing sth

wait `=>` waiting

`16.`

$\text{Form:}$

`+)` dare to do sth

suggest `=>` to suggest

`17.`

$\text{Form:}$

`+)` put off doing sth

write `=>` writing

`18.`

$\text{Form:}$

`+)` hope to do sth

receive `=>` to receive

`19.`

$\text{Form:}$

`+)` deny doing sth

know `=>` knowing

`20.`

$\text{Form:}$

`+)` plan to do sth

leave `=>` to leave