知识点
知识点归纳
一词汇
watch ( watched ) 看wash ( washed) 洗clean ( cleaned ) 打扫play (played ) 玩
visit (visited) 看望do（did ）助动词/做cook (cooked ) 做饭go( went ) 去
go swimming ( went swimming ) 去游泳read ( read ) 阅读go fishing ( went fishing ) 去钓鱼go hiking ( went
hiking ) 去郊游study ( studied ) 学习fly ( flew ) 飞
return ( returned) 送回，归还swim (swam) 游泳last 上一个weekend 周末to
朝，向park 公园yesterday ( 昨天)
二句型
1 询问在过去的某一个时间做了什么,借助助动词did
特殊疑问句
—— What did you do yesterday/last weekend ?
—— I did my homework .
一般疑问句，把did 提前
—— Did you help your parents clean the room ? ( 当句子变为一般疑问句，动词应还原)
—— Yes , I did ./No, I didn ’t .
标牌警示语
No fishing here ! 此处禁止钓鱼！ No swimming here ! 此处禁止游泳！ No dogs pooing here!
此处禁止狗大便！ No dogs peeing here! 此处禁止狗小便！
三语法
当一个动作是在过去的某一个时间发生时，动词则要用过去式，如句子中有yesterday, last week , last
weekend , last yesterday , last Sunday 等这样表示过去时间的词时，就要用一般过去时态。
动词的过去式构成规则：
1 一般动词在词尾加上ed 。如： work — worked , wash — washed play --- played
2 以e 结尾的动词在词尾加上e . 如： use --- used live --- lived
3 以辅音字母和y 结尾的动词改y 为i ,再加上ed . 如： study --- studied , empty--- emptied
4 末尾只有一个辅音字母的重读闭音节词，双写最后的辅音字母，再加ed 如： stop –stopped
5 不规则变化。（注：除去不规则变化动词，其他动词都是规则变化） swim --- swam 游泳fly --- flew 飞
run --- run 跑eat --- ate 吃sleep --- slept 睡觉
have --- had 有buy --- bought 买take --- took 拿teach ---taught 教
go---went 去sing --- sang 唱歌do --- did 做read ---read 读书
sweep ---swept 打扫make ---made 制作set ---set do --- did 做
get --- get 得到，到达draw --- drew 画画drink --- drank 喝write --- wrote 写
ride --- rode 骑put --- put 放tell ---told 告诉send --- sent 发送
feel --- felt 感觉think --- thought 想meet --- met 见面fall --- fell 落下
wake --- woke 醒来
