2. for, since, since, for, for, since,
3. wins - he will go, visits - will meet, will take - he flies, will try - is, will be - goes, doesn't win - won't go
4. go - gone, since - for, study - to study, to go - go, send - shall send, has rained - has been raining или it was raining, have never tryed, we've just finished или we will finish until 6