A expressing doubt
H organising ideas
D giving reasons
B expressing support
G reformulating
E negotiating
F requesting clarification
C highlighting a grammatical structure
4 I'm not sure. I really don't think it's right.
7 When I was on holiday last summer I have tried ... I tried snowboarding for the first time.
6 That's a good idea.
1 Let's look at the website first. Is that OK?
EXTRA
2 I think your answer should be 'he's seen', not 'he saw'. It should be the present perfect.
3 OK, so he got up, he had a shower - no, he had breakfast, then he had a shower - then ... er ... he got dressed. Right, now I'm ready to write it.
5 I think they shouldn't allow mobile phones in schools because they can disturb the class.