1. sure, certain, positive, definite
2. reliable, trustworthy, safe, sound, firm, accurate, correct, exact
3. If I'm not mistaken, If I remember correctly, If I remember rightly
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
1. there (place relatively near listener)
2. there (place just mentioned), that place
3. then (of some incident just spoken of), that (of point just raised)
4. you