3.I personally think…
4.I am for the opinion that…
5.To my knowledge…
6.To my understanding…
7.As I see it,
8.For my own part,
9. My opinion is that…
10. As for me…
11. As far as I am concerned…
12. From where I stand…
13. I believe…
14. I consider…
15. I hold the opinion…
16. I maintain that…
17. I’d like to point out that
18. in my point of view…
19. My feeling is that…
20. personally I agree / disagree…
七．表示理由用语：
1. …for the simple reason that…
2. As is the case…
3. As…
4. Because… because of…
5. Due to…
6. Owing to…
7. Since…
8. That’s why…