2. The Covid patients have been provided with free food and drink   

(Bị động của HTHT: S+have/has+been+v3)

3.It is such heavy suitcase that I can't heavy

(S + be + such +adj + n + that + S + V)

4.Mary said (that) she wanted a bicycle for her birthday

(Câu gián tiếp trong HTĐ thành QKĐ)

5.The man whom we met at the airport yesterday is my new teacher.

(we met him ->him là đại từ -> dùng whom)

`2` The Covid patients have been provided with free food and drink 

`-` Chủ động thì HTHT : S + has/have + Vpp + O 

`-` Bị động thì HTHT : S + has/have + been + Vpp + ( by O ) 

`3` It is such a heavy suitcase that I can't carry it

`-` S + be + such + (a/an) + adj/adv + N + that + clause

`-` S + be + so + adj/adv + that + clause 

`4` Mary said that she wanted a bicyle for her birthday 

`-` Câu tường thuật 

`-` S + said + (that) + S + V(lùi 1 thì) + ... 

`-` HTĐ `->` QKĐ , I `->` she , my `->` her 

`5` The man whom we met at the airport yesterday is my new teacher 

`-` The man là danh từ chỉ người `->` dùng whom 

`-` Whom : làm tân ngữ , thay thế cho danh từ chỉ người

`-` .... N + whom + S + V + ...