As far as I...
as far as的意思是“根据......而言”，这个句型中可以根据情况加入各种不同的动词。如：as far as I remember / recall / collect...：就我回忆......，as far as I know / tell...：就我所知......，as far as I can see...：依我所见......，as far as I can feel...：就我的感觉......。
1. As far as I recollect, there were few people in the village then.
2. As far as I recall, they quarreled very often at that time.
3. As far as I can see, he’s a big liar.
A: Have you seen Harry?
B: No. As far as I can remember he was supposed to be on a business trip to Lisbon.
A: Yes, but he was supposed to be back by now.
B: Maybe you’ll call his home.