1. The doctor suggested that he should try to lose weight. (省略句)
→The doctor suggested that he try to lose weight.
2. I don’t like the way in which/that you treat the girl. (省略句)
→I don’t like the way you treat the girl.
3. If that is so, I will call you back at 5: 00 pm. (省略句)
→If so, I will call you back at 5: 00 pm.
4. Hearing the news, she couldn’t help but cry. (补全句子成分)
→When she heard the news, she couldn’t help but cry.
5. Do be careful when crossing the street. (补全句子成分)
→Do be careful when you are crossing the street.
6. I’ll not go to the party unless invited. (补全句子成分)
→I’ll not go to the party unless I am invited.