1. Its ( is / has been ) two years since he left China.2. Its ( is ) the first time that I have visited Shanghai.3. have / has been to 曾经到过某地 have / has gone to 去了某地4. 无主语的固定句式: 1) It must be pointed out that 必须指出2) It is reported that 据报道3) It is believed that 大家相信4) It has been decided that 经决定5) It is thought that 大家认为6) It is take for granted that 被视为当然的7) Its said that 据说8) It is known that 众所周知5.Where there is a will, theres a way. 6. 表示倍数的句型:1
