$6$. If Lan isn't busy, she will visit me
$7$. I wish i studied hard last term
$8$. He wishes he learnt English at school
$9$. If she doesn't have free time, she won't go shopping
$10$. If you were in my shoes, you could understand my dilemas
`->`Câu đk loại 1: If + S + V, S + will + V
`->`Câu ước thì HTD: S + wish(es) + S + Ved/2
`->`Câu đk loại 2: If + S + Ved/2, S + would + V