【正文】
Step 1: Learning about predictive clauses and subject clauses 1. Subject clause: The clause is used as a subject of the main verb. Subject clauses begin with that, if, whether, who, what, which, when, where, how, why, whoever, whichever, etc. Examples: 1) Why he did that wasn’t quite clear. 2) How this happened is not clear. 3) Where she has gone is not known yet. 4) When they will start is not known yet. 5) Which team will win the match is still unknown. 6) Who will go makes no difference. 7) What I’m looking for is a real success. 8) Whether she will e or not is still a question. 9) That she was able to e made us very happy. 10) Whoever breaks the law should be punished. 2. Predicative clause: The clause is used as a predicate nominati