Chia đúng dạng từ trong ngoặc

3. Before she (start) ___________ to learn English, she (already / learn) ___________ French.
4. Jane (already / type) ___________ ten pages when her computer (crash) ___________.
5. By the time he (arrive) ___________ at the pub, they (run) ___________ out of beer.
6. Before that day we (never / think) ___________ of going to Japan.
7. I (know) ___________ him for a long time before I (meet) ___________ his family.