`1.` Susan may know the address.

`-` may + V0: có lẽ 

`2.` The report has to be on my desk tomorrow.

`-` have + to V0: phải làm gì

`3.` Nancy didn't need to clean the flat

`-` didn't need + to V0: không cần làm gì

`4.` John suggested that Barbara put a better lock on the door.

`-` Đề nghị dạng câu trực tiếp:

`-` suggested + that + S + V: khuyên thẳng thừng 1 ai đó.

`5.` Despite his both broken legs, he managed to get out of the car before it exploded.

`-` Despite `+` N/cụm N/V-ing, S `+` V (Mặc dù .. nhưng .. )

`-` managed + to V0

                        $\color{pink}{\text{kieuank:3}}$

$1.$ Susan may know the address.

=> Perhaps + S + V(s/es) + O = S + may + V(bare) + O

$2.$ The report has to be on the desk tomorrow.

=> S + must + V(bare) = S + have/has to + V(bare) 

- "The report" là N số ít -> Sau "V (số ít)" thêm "s/es"

$3.$ Nancy didn't need to clean the flat.

=> It + was/were (+ not) + necessary + for sb + to V = S + didn't + need/ have to + V(bare)

$4.$ John suggested that Barry should put a better lock on the door.

=> "Why don't we/ you + V(bare), S1?" said + S2 = S2 + suggested that + S1 + should + V(bare)

$5.$ Despite his both broken legs, he managed to get out of the car before it exploded.

=> Although + Clause 1 (S + V + O), Clause 2 (S + V + O) = Despite + N/ N phrase/ V-ing, Clause 2 (S + V + O): mặc dù