fter I had finished my homework,my father came back. ? 3.since “自从”(常用于现在完成时) ?从他离开后我们没见过面。? We haven ’ t seen each other since he left. ?? 4.as soon as ”一…就…”?我一回来就给你打电话。?I’ ll call you as soon as e back. ?主将从现? 5.not … until “直到…才…”?我将不会离开直到他回来。? I will not leave until es back. ?主将从现? I did not leave until he came back. 1. ______ es here tomorrow, I will call you. 2. ________ he was walking in the street, he met Tim. 3. She sang ____she worked. When While/When as 4.I ’ ll ring you up _____________I get to Beijing. as soon as 5.It won ’ t be long ______he finishes his writing. 6.______ he had finished his work, he left there. 7.It is two years ______he came here. 8. _______ she told me, I had no idea of what they had said . before After since Until