without a visa she couldn't have come to that country ->If Giải thích chi tiết

$@dream$

Without a visa, she couldn't have come to that country

`->`if it had not been for a visa, she couldn't have come to that country

`-`Câu trên thuộc điều kiện loại 3:
IF + S + V(QKHT), S + would/ could/ might + have +P.P
IF it hadn't been for + N (= without + N), S + would/ could/ might + have + P.P