一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子

二、短语1.by the time 2.give …a lift 3.in line with 4.show up 5.by the end of 6.costume party7.sell(sold) out

8.be full of=be filled with 9.the+形 the old 10.leave sth. sp. leave the book at school 11.forget sth.

12.be late for class 12.go off 13.put on 14.rush out the door 15.be about to do sth.16.stare at 17.take off

18.think to oneself 19.turn into 20.forget to do sth./doing sth.21.leave for…22.get a chance to do sth.

23.invite sb.to do sth .24.play tricks /jokes on sb. 25.stop to do sth./doing sth./sb. doing sth.

26.as…as possible/sb. can 27.marry sb. (to sb.)28.across /around the country

三、句子1.As I was waiting in line with other office workers,I heard a loud sound.

2.We stared in disbelief at the black smoke rising above the burning building. 3.It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other.

Unit12一、语法：过去完成时1谓成：助had+V.过去分词 2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子

二、短语1.by the time 2.give …a lift 3.in line with 4.show up 5.by the end of 6.costume party7.sell(sold) out

8.be full of=be filled with 9.the+形 the old 10.leave sth. sp. leave the book at school 11.forget sth.

12.be late for class 12.go off 13.put on 14.rush out the door 15.be about to do sth.16.stare at 17.take off

18.think to oneself 19.turn into 20.forget to do sth./doing sth.21.leave for…22.get a chance to do sth.

23.invite sb.to do sth .24.play tricks /jokes on sb. 25.stop to do sth./doing sth./sb. doing sth.

26.as…as possible/sb. can 27.marry sb. (to sb.)28.across /around the country

三、句子1.As I was waiting in line with other office workers,I heard a loud sound.

2.We stared in disbelief at the black smoke rising above the burning building. 3.It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other.

Unit12一、语法：过去完成时1谓成：助had+V.过去分词 2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子

二、短语1.by the time 2.give …a lift 3.in line with 4.show up 5.by the end of 6.costume party7.sell(sold) out

8.be full of=be filled with 9.the+形 the old 10.leave sth. sp. leave the book at school 11.forget sth.

12.be late for class 12.go off 13.put on 14.rush out the door 15.be about to do sth.16.stare at 17.take off

18.think to oneself 19.turn into 20.forget to do sth./doing sth.21.leave for…22.get a chance to do sth.

23.invite sb.to do sth .24.play tricks /jokes on sb. 25.stop to do sth./doing sth./sb. doing sth.

26.as…as possible/sb. can 27.marry sb. (to sb.)28.across /around the country

三、句子1.As I was waiting in line with other office workers,I heard a loud sound.

2.We stared in disbelief at the black smoke rising above the burning building. 3.It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other.

Unit12一、语法：过去完成时1谓成：助had+V.过去分词 2.用法：过去的过去3.标志：by the time/when/before+一般过去式的句子、by the end of +过去的时间点、宾语从句中、It was the first time +过去完成时的句子

二、短语1.by the time 2.give …a lift 3.in line with 4.show up 5.by the end of 6.costume party7.sell(sold) out

8.be full of=be filled with 9.the+形 the old 10.leave sth. sp. leave the book at school 11.forget sth.

12.be late for class 12.go off 13.put on 14.rush out the door 15.be about to do sth.16.stare at 17.take off

18.think to oneself 19.turn into 20.forget to do sth./doing sth.21.leave for…22.get a chance to do sth.

23.invite sb.to do sth .24.play tricks /jokes on sb. 25.stop to do sth./doing sth./sb. doing sth.

26.as…as possible/sb. can 27.marry sb. (to sb.)28.across /around the country

三、句子1.As I was waiting in line with other office workers,I heard a loud sound.

2.We stared in disbelief at the black smoke rising above the burning building. 3.It happens on April 1st every year and is a day when many people play all kinds of tricks and jokes on each other.