1.was raining, left, returned, put, started
2.are (u) working, am preparing
3.is, is, have taken (не уверена)
4.do (u) learn
5.have thought, have bought, has ordered, has mentioned, hasn’t ordered, is thinking, has changed/is charging (оба варианта допустимы)
6.are (u) shivering, am shivering
7.are u doing, are u writing, have written, am working, did u write, finished
8.have had
9.is, is raining, stopped
10.lost
11.haven’t met
12.has (just) finished
13.is, has gone/went (оба варианта возможны), left
14.are u reading, am reading
15.read, have u read
P.S. u=you, ибо мне лень расписывать :-)
Гарантию правильности на 100 из 100 не даю.
Если возникли вопросы, спрашивай. Буду рада ответить