Put the verbs in brackets into the correct form.
1. If he worked more slowly, he (not make)......... so many mistakes. 2. I could give you his address if l (know)............ it. 3. I (Keep ).......... a gardener if I could afford it. 4. What do what do you do if the lift (get)........ stuck between two floors? 5. He (not go ) ..........there if his family were not invited.6.If I (know)............. her better, l (introduce)............you. 7. The journey takes about 3 hours by bus. You (get)............ there much sooner if you (go).............by train. 8. If l (have)............. money with me then, l (can lend)............ you some. 9. He couldn’t find a job when he came to Germany. If he (like)........... children, he (work)..........at school.