`1,` Cấu trúc: It + tobe + ( not ) worth + V-ing + because + O + tobe ...
Example: It's worth making an arrangement before you go.
`2,` Cấu trúc: S + agree + to + V + S + as a favor.
Example: Jury agrees to tell Mayumi as a favour.
`3,` Cấu trúc: S + congratulated +sb + on + V-ing ...
Example: Elizabeth congratulated me on getting the first prize.
`4,` Cấu trúc: Subject + had to + V-infinitive.
Example: Mia had to catch the terrorists.
`5`, Cấu trúc: S + regretted + ( not ) + V-ing + O.
Example: Helen regretted believing Chaya.
`6,` Cấu trúc: Did + S + really + V + S + if + S + was/were ...?
Example: Did May really tell Tonya if she was happy?
`Devil` `Bona`