I ... to finish this report before I go home. (are trying, be trying, am trying, is trying) что нужно вставить

I are trying to finish this report before I go home.

Помогите с временами 1) The children (to open) the book when the teacher (to come) 2) Ann (to study) English before she (to enter) the institute 3) When Tom (to read) book, he (to know) a lot of ineresting things 4) Mother (to cook) dinner before

Вставить по смыслу 1. I saw that she (is trying; has been trying, was trying) to hold her tears.

ex. 3 (упр. 3B стр. 83) It's Martin's first visit to America. Say what he has done for the first time. E x a m p I e: He has never been to New York before. It's the first time he has been to New York.

B) Model: I am sorry we didn't think about it before I wish we had thought about it before 1. I am sorry you didn't see this film before. 2. I am sorry i didn't do it for you before. 3. I am sorry they didn't visit this museum. 4.