Question

げすと

4問教えてください。
またここら辺の問題時制(？)がめちゃくちゃ難しいです。
何かコツがあれば教えていただけると嬉しいです。

口(4) Had she arrived here earlier, she could have seen the movie star.
As she
here earlier, she
see the
movie star.
→仮定.
口(5) Were I a bird, I could fly to you.
Because I
a bird, I
口(6) Iwas busy yesterday, so I couldn't watch the game on TV.
fly to you.
IfI had been
yesterday, I would have been
watch the game on TV.
口(7) Since there is water, living things on earth can live.
If there
water, living things on earth
live