We use have to for facts, not for our personal feelings. If I was offered the job, I think I it. Whenever a train went past, the house 3. We all the way home.
Essential Grammar In Use
You can of course use the book simply as a reference book without doing the exercises. We use would in the other part of the sentence: Тем самым, отработать пройденный материал не всегда получается, приходится обращаться к дополнительным сборникам упражнений, например грамматике Голицынского.
The doorbell rings I wonder who that is. George had to go out. I to the concert. I have to phone my sister now.
Another friend wanted him to play tennis on Monday afternoon. What is Julia going to do when she leaves school?