Помогите пожал. по англ. постаить правильную форму глагола!!!!

Помогите пожал. по англ. постаить правильную форму глагола!!!!если можно, то напишите ещё какое это время 1)she(not,to feel) well recently. But she(not,to listen) to anybody and(to keep) working late at night.We(to try) to make her understand that it is not the best way to make your boss appreciate what you(to do) and prove that you are worth(to praise). 2) I think I (to see) them last night at the mall. they (to buy) vegetables. I(not, to think) they(to see) me. If they (to see) me, they (to approach)me. 3) we went through beautiful rooms, and I (can) see that they (to be) rooms of a hospital.At thedoor of one room the nurse(to stop, to smile, and to ask) me to be silent. we (to look) into the room. the two boys (to sit) near the bed of a girl who(to look) about twenty years old. she(to wear) a nice silk jacket, and she (to listen) attentvely while the little boys(to talk).