`1.` is
`2.` is
`3.` are
`4.` am
`5.` are
`6.` are
`7.` is
`8.` is
`9.` are
are
`10.` is
is
`11.` aren't
`12.` isn't
`13.` isn't
`14.` aren't
`15.` isn't
`16.` isn't
`17.` isn't
`18.` isn't
`19.` aren't
`20.` aren't
`=>` Ta có cấu trúc HTĐ như sau:
Tobe: Thể khẳng định: I + am
He,she,it + is
You,we,they + are
Thể phủ định: I + amnot
He,she,it + isn't
You,we,they + aren't
Thể nghi vấn: Am + I ...?
Is + he,she,it + ...?
Are + you,we,they ...?