`1.` is
`2.` is
`3.` are
`4.` is
`5.` is, am
`6.` aren't
`7.` are
`8.` Is she
`9.` is
`10.` are
`=>` Ta có công thức HTĐ như sau:
Thể phủ định: I + am
He,she,it + is
You,we,they + are
Thể phủ định: I + am not
He,she,it + isn't
You,we,they + aren't
Thể nghi vấn: Am + I...?
Is + he,she,it...?
Are + you,we,they...?
Ex `2:`
`1.` starts
`2.` likes
`3.` bake
`4.` writes
`5.` take cares
`6.` haves
`7.` swim
`8.` helps
`9.` is, tells
`10.` are
`=>` Ta có công thức HTĐ như sau:
Thể khẳng định: I,you,we,they + V_inf
She,he,it + V(s,es)
Thể phủ định: I,you,we,they + don't + V_inf
She,she,it + doesn't + V_inf
Thể nghi vấn: Do + I,you,we,they + V_inf?
Does + she,he,it + V_inf?