1)Can you use this computer -->You can 2)Since the invention of computer, people have saved a lot of time --->Since the computer

1) Can you use this computer?

⇒You can use this computer, can't you?

Cấu trúc: S+can+$V_{(0)}$+O, can't+S?

2) Since the invention of computer, people have saved a lot of time

⇒Since the computer has invented, people saved a lot of time

Cấu trúc: Since+S+$V_{p2}$, S+$V_{ed/bqt}$+O

Chúc bạn học tốt :)

#vpgh1810