1. 表达喜好
 I prefer A to B because...
 If I have a choice, I will... (a real possibility)
 If I had a choice, I would... (not a real possibility, just wishing)
 For me, A is much more attractive / interesting / preferable than B because...
 I would much rather do / have / eat / listen to / blah blah blah A than B...
2. 叙述
 When I was a high school student, I went to Guizhou to visit some friends.
 After I graduated from high school, I ...
 During my visit to Guizhou last year, I...
 Last year during the Spring Festival, I went to Guizhou to visit some friends.
(Also use "Whenever" or "While")
3. 比较和对比
 A is much better / worse than B.
 A is not nearly as good as B.
 A is not quite as important as B.
 A is almost as tall as B, but not quite.
 When I compare these two items, it's clear that...
4. 建议
 Maybe, Perhaps, Possibly
 One possibility that I can think of is...
 Another idea to think about is...
5. 表达观点
 It seems to me that...
 This is only my opinion but...
 After a lot of thought, I have come to the conclusion that...
 I've never thought about this question much before, but it seems to me that...
6. 解释
 The reason I believe this is...
 The most important evidence supporting my belief is...
7. 推测
 I'm not sure what might happen, but one possibility is...
 It's hard to predict the future, but I suppose it / we might...
8. 分析
 There are several points to consider, first of which is...
 We can break this question down into several parts. First...
 Let's look at this step by step. To begin with...
9. 总结
 Altogether, there were...
 In the end, they had to...
 When we consider all the factors...
 Considering all of these ideas, maybe the best thing would be to...
10. 修正
 Maybe I'm not making myself clear. I want to say that...
 What I mean to say is...
 What I'm trying to say is...
 Another way to put it is...