1. don't tell me
→ You look pale. Don't tell me you are sick again.
→ Don't tell me you are hungry.
→ Don't tell me you're out of job again.
2. Can (Could) it be...?
→ Can it be that I forgot it?
→ Could it be my fault?
→ Can it be me?
→ Surely you don't expect us to do everything?
→ Surely, we can't study all day without eating anything?
1. as good as
→ As good as it gets!
→ His life is as good as over.
→ The matter is as good as settled.
1. be not likely
→ She is not likely to marry him.
2. may not necessarily be
→ Going abroad for further study may not necessarily be promising.