Открыть скобки в oblique moods. нужно.1. she wrote with her own hand the letters, which under normal circumstances she (to dictate) to her secretary. 2. i do wish you (to bring) the children to call on me. 3. it's necessary that i (to offer) you something. 4. meg was in a perfect fight lest he (to guess) right too soon.5. if he (to understand) the situation, he (to act) differently. 6. oh, if only you (to be) as you used to be. 7. they came to theagreement that they (to meet) for talks twice a year.

1. She wrote with her own hand the letters, which under normal circumstances she dictated to her secretary.
2. I do wish you had brought the children to call on me.
3. It's necessary that i offer you something. ИЛИ It's necessary that i should offer you something (оба варианта правильные)
4. Meg was in a perfect fight lest he should guess right too soon.
5. If he had understood the situation, he would have acted differently.  
6. Oh, if only you were as you used to be.
7. They came to the agreement that they would meet for talks twice a year.