Unit 1
一．基础知识
1.短语归纳：
go on vacation去度假 stay at home待在家里 go to the mountains去爬山
go to the beach去海滩 visit museums参观博物馆 go to summer camp去参加夏令营 quite a few相当多 study for…为..而学习 have a good time玩得高兴；过得愉快go out出去 most of the time大部分时间 taste good尝起来很好吃 of course当然 feel like感觉到 in the past在过去
walk around四处走走 too many太多 because of因为；由于 the next day第二天 drink tea喝茶 find out找出；查明 take photos照相 something important一些重要的事情 come up出来 wait for等候 2.用法集萃
buy sth. for sb. / buy sb. sth.为某人买某物 taste + adj.尝起来..
nothing…but…除了..之外什么都没有 seem + (to be)+adj.看起来.. arrive in / at 到达
decide to do sth.决定做某事 try to do sth.尽力做某事
try doing sth.试图、尝试做某事
forget to do sth.忘记去做某事（未做） forget doing sth.忘记做过某事（已做）
remember to do sth. 记得去做某事（未做） remember doing sth. 记得做过某事（已做） enjoy doing sth.喜欢做某事 want to do sth.想要做某事
stop to do sth.停下来去做另一件事 stop doing sth.停下正在做的事
why not do sth 为什么.不做某事呢？（表提议） tell sb. (not) do sth.告诉某人（不要）做某事 keep doing sth.坚持、一直做某事 3.教材典句：
1.--Did you go out with anyone?
--No. no one was here. Everyone was on vacation. 2.--Did everyone have a good time? --Oh, yes. Everything was excellent. 3. I just stayed at home
4. ….so we decided to go the beach. 5. We took quite a few photos there. 6. I bought something for my father.
二．一般过去时的规则与不规则动词 规则动词：
one bowl of一碗 go on继续
up and down上上下下 一般动词 直接加—ed watch—watched
以字母e结尾的规则动词 只加—d loved; lived; arrived
以辅音字母加y 结尾的动词 变y为i 再加—ed studied; cried; worried
重读闭音节结尾的动词，末尾只有一个辅音字母 双写辅音字母再加—ed stop--stopped
不规则动词：
动词的过去式和原形一样：put—put; let—let; read—read; cut—cut;
遇见i 变a：swim—swam; sing—sang; begin—began; sit—sat; give—gave; drink—drank;
过去式以ought和aught结尾的单词：bring—brought; buy—bought; think—thought; catch—caught; teach—taught;
中间去e末尾加t: feel—felt; keep—kept; sleep—slept; sweep—swept; meet—met; feed—fed; 把i 变为o: ride—rode; drive—drove; write—wrote
ow/ aw变为ew: know—knew; grow—grew; throw—threw; draw—drew;
以d结尾的词，把d变为t: build—built; lend—lent; send—sent; spend--spent
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