内容正文:
★一般过去时★
1、概念
表示在过去某个时间里所发生的动作或存在的状态。通常在句子里找到表示过去时间的词或词组。
1. yesterday或以其构成的短语:yesterday morning(afternoon, evening)等;
2. 由“last+时间名词”构成的短语:last night, last year (winter, month, week)等;
3. 由“时间段+ago”构成的短语:a moment ago, a short time ago, an hour ago等;
4. 其它:just now等
如:My brother went to school by bike last term.
The watch was under the table three days ago.
I watched the moon and ate the moon cakes last Mid-Autumn Festival.
Jim went to the supermarket yesterday.
2、动词一般过去时变化规则
1.一般在动词末尾加-ed,如:pull-pulled, cook-cooked, play- played
2.结尾是e加d,如:taste-tasted
3.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,plan-planned, prefer-preferred
4. 以“辅音字母+y”结尾的,变y为i,再加-ed,如:study-studied
规则动词过去时构成口诀
过去时构成有方法,一般词尾加ed。
如果词尾有个e,直接加d就可以。
“辅音字母+y”在词尾,变y为i加ed。
“一辅重闭”作尾巴,双写之后ed加。
5.不规则动词一般过去时:
am/is→was are→were
have/has→had
do→did
say→said
fall→fell
sing→sang
sit→sat
give→gave
run→ran
come→came
eat→ate
take→took
write→wrote
ride→ rode
drive→drove
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