ページ3:

基礎英文法
○次の空欄を埋めるのに適当なものは?
for
What to do.
No.
3
Date
your help, I wouldn't have known
1. Was it not
2. It was not.
3. It had not been 4. Had it not been.
Point1 仮定法過去完了の知識
過去の事実の反対をする>
If + ±ð + had + ¾ 3a) …….., should would
If+主語+hd+過去分詞... 主語
1
might
thave+過去分詞
「もしあの時に)~だったら~していただろう」
[Point 2]
・定時のIf」の省略
a
⇒主語と動詞の語順が入れ替わる
* If it had been for your help, I wouldn't have known what to do.
> Had it not been for your help, I wouldn't have known
what to do.
(君の助けがなかったら、何をして良いか分からなかっただろう)