1. to be (followed by substantives only)
2. correct; right; true
3. (respectful acknowledgement of a command) very well
4. (adverb for emphatic assertion)

1. and
2. as well as
3. and so
4. but (not)
5. yet (not)
6. (indicates causal relation)
7. (indicates change of state)
8. (indicates contrast)

1. no
2. is not
3. not

classifier: 個