1、重点20 it looks as if看起来好像as if/though+主语+did/had done好像（表示现在或将来的情况用过去时；表示过去的情况用过去完成时例句：It looks as if it is going to rain.It looked as if Our head teacher treats us as if we were her own children, so all the students in our class think highly of her. Alan talked about Rome as if he had been there.练习：
2、 1. It looked as if someone_ a patch out of the air.(p 16 B V)A. cut B. has cut C. had cut D. were cutting2. The two strangers talked as if they _ friends for years. A. should beB. would beC. have been D. had been3. Eliza remembers everything exactly as if it _ yesterday.A. was happening B. happens C. has happened D. had happened4. They talked as if they _ friends for years.A. should be B. would be C. have been D. had been
