Not Until and Only with Inversion
1Công thức
Not until + time clause/expression + auxiliary + subject + verb; Only + adverbial (when, after, then, at the end) + auxiliary + subject + verb2Giải thích
Sau Not until và các cụm Only (only when, only after, only then...) đứng đầu câu, mệnh đề chính phải đảo ngữ (không đảo mệnh đề bắt đầu bằng until/when/after).
After not until and only phrases at the start of a sentence, the main clause is inverted. It is important to invert the main clause, not the time clause.
Dấu hiệu: not untilonly whenonly afteronly then
3Khi nào dùng
- Emphasising when something happened
- Emphasising that something happened only under certain conditions
4Quy tắc cần nhớ
- Invert the main clause, not the clause introduced by until/when
- Only when, only after, only then, only at the end all trigger inversion in the main clause
5Ví dụ
Not until the plane landed did I feel relaxed.
Only after the results arrived did we know the outcome.
Only when she called did I understand the problem.
6Lỗi thường gặp
- Not until I got home I realised my mistake. (Not until I got home did I realise my mistake)
- Only when had I finished could I go out. (Only when I had finished could I go out)