助動詞（否定含む）+ have + p.p.

メモ。

 

would have 

would not have

could have

could not have

can have ✗

cannot have

should have

should not have

might have

might not have

may have

may not have

must have 

must not have ✗か？

 

どう訳すかという翻訳の問題もあるのだが、以上をまとめ直そう。