Unit 11 how was your school trip ?
短语：
1 go for a walk 去散步
2 milk a cow 给奶牛挤奶
3 ride a horse 骑马
4 feed chickens 喂鸡
5 talk with a farmer 和农民交谈
6 take some photos 照相
7 quite a lot 相当多
8 grow some apples 种一些苹果
9 go fishing every day 每天去钓鱼
10 watch the stars at night 晚上看星星
11 come out 出来
12 visit a fire station 参观消防局
13 go to an art museum 去艺术博物馆
14 go on the same trip 去的是同一次旅行
15 go on a school trip 参加学校旅游
16 see some farms long the way 看到路边的一些农场
17 at the museum 在博物馆
18 play chess with us 和我们下棋
19 make a model robot 制作机器人模型
20 take a lot of great photos 照了许多好看的照片
21 all in all 总而言之                       
22 take the train to the museum 乘火车去博物馆
23 on the slow train 在慢车上
Grammar focus :
一般过去时
The past Indefinite tense
一、概述
一般过去时表示过去某个时间发生的动作或状态，常和表示过去的时间连用，也表示过去经常或反复发生的动作，
二、构成
1．直接加ed：work—— worked look——looked ，
2．以不发音e结尾的单词，直接加d：live ——lived hope——hoped use——used,
3 以辅音字母+y结尾的，变y为i加ed：study—— studied carry——carried worry——worried,肠胃炎怎么调理
4以元音字母+y结尾的，直接加朱砂的功效与作用ed：enjoy ——enjoyed play——played
5 以重读闭音节结尾的，双写最后的辅音字母+ed：stop—— stopped plan——planned
不规则变化的动词过去式：
swim-swam sing-sang begin-began give-gave drink-drank  grow-grew draw-drew
　have---had are---were get---got say---said feel---felt do/does---did is---was go---went           
　drink--drank eat--ate bring----brought think----thought buy----bought catch---- caught teach ---- taught sit----sat wear----wore sweep----swept sleep——slept  come – came write-wrote spend-spent pay- paid cost-cost  take – took  think –thought  teach-taught bec
ome----became read-read  cut----cut  let-let hurt-hurt put-put
巧学妙记：
如果词尾有个-e,可以直接加上-d.
“辅音字母加+y”在词尾，变y为i再加-ed.
“一辅重闭”气功师作尾巴，双写之后加-ed.
过去式用于过去时，表示过去发生事。
三.Be动词在一般过去时中的变化：
　1 am 和is在一般过去时中变为was。（was not=wasn’t）
My brother was at home
He wasn't at school last Monday .
写秋天的诗句
2 are在一般过去时中变为were。（were not=weren’t）They were here five minutes ago .
3 带有was或were的句子，其否定、疑问的变化和is, am, are一样.
Were you busy yesterday ?
Was it sunny in Heihe the day before yesterday ?
Who was the boy over there ?
Where was your sister ?
四．句中没有be动词的一般过去时的句子
肯定句：主语+动词过去式+其他
They had a good time last Sunday .
否定句：didn’t +动词原形，
Jim didn’t go home yesterday.
一般疑问句：在句首加did，句子中的动词过去式变回原形。
　：Did Jim go home yesterday?
杨鸿年特殊疑问句
1疑问词+did+主语+动词原形？
  如： What did Jim do yesterday?
　2 疑问词当主语时：疑问词+动词过去式？
如：Who went to home yesterday?
When did he go to school ?
五.规则动词过去式变化规则    1 ．一般在动词末尾加-ed，如：play-played, cook-cooked 2．结尾是e加d，如：like-liked  love-loved 3 遥控器对接．末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped 4以“辅音字母+y”结尾的，变y为i， 再加-ed，如：study-studied
　六、用法
1 表示过去某个特定时间发生的动作或存在的状态
常有明确的时间状语，如the other day（前几天）、 just now（刚才）、in the old days（过去的日子里）、When I was 8 years old（当我八岁时…）、at+一个时间点 yesterday, the day before yesterday, last week,last(year, night, month…), in 1989, just now, at the age of 5, one day, long ago, at that time, once,  before,  two days ago ， some years ago，等，以及由when等引导的时间状语从句。
Tom didn't come to class yesterday.汤姆昨天没来上课。
We went to dance last night.昨晚我们去跳舞了。
I didn’t know you were in London.我不知道你在伦敦。