posted by rfvv .
1. He wants to be a singer in the future.
2. He was a lawyer in the past.
3. He is a doctor in the present.
4. He is a doctor at present.
5. He is a doctor at the moment.
6. He is a doctor currently.
7. He is a doctor now.
8. He is a doctor at the present.
(From #3 to #8, there are similar sentences. Are they grammatical? Which expressions should I use? Are they all the same in meaning?)
3-8 all mean the same thing, yes, and all are grammatically correct.
I wouldn't use #3. I'd use #8 with "at the present" or simply "at present" (#4) at the beginning of the sentence.