36/ No sooner had he finished dinner than she walked in the door
37/ Only later did I understand the problem
38/ Only by working hard, will I be able to accomplish this great task
39/ Only by studying hard, can you pass this exam
40/ Only when you grow up, can you understand it
41/ Only by telling the truth, can I forgive you
42/ Only after the film started, did I realize that I'd seen it before
43/ So strange was situation that I could not sleep
44/ So difficult is the test that students need 3 months to prepare
45/ So easy was exercise that every students can do it easily
46/ Not only does he study well, but he also sings well
47/ Should you meet her, please call me
48/ Had you obeyed this disaster would not have happened
