Ребят кто знает. помогите. Раскройте скобки и поствьте глагол в подходящую

Ребят кто знает. помогите. Раскройте скобки и поствьте глагол в подходящую форму.
If he worked more slowly, he (not make) so many mistakes.
He (not to take) this case even if she (to ask).
I (keep) a gardener if I could afford it.Even if it were not so late I don't think I (go) to the cinema.The accident (not to happen) if you (be) more attentiveIf I (have) money with me then, I (can lend) you some.
Even if he knew how difficult the situation was, he (not to stop) the preparations.
She (go) there even if she (have) to walk all the way.
He (not go) there if his family were not invited.
Even if you had given her your car, she (cannot arrive) in so short a time.
Someone (may notice) if she (open) the letter.If J (know) her better, I (introduce) you.
Even if I wanted to, I (can do) nothing now.If I (have) a dictionary, I (finish) the translation today.