法宝2.动词的过去式 动词过去式 规则变化 不规则变化 口诀:一加ed,二加d,三要双写, 四注意,改y为i加ed,特殊形式特殊记
动词过去式 规则变化 不规则变化 口诀：一加ed，二加d，三要双写， 四注意，改y为i加ed，特殊形式特殊记。 法宝2.动词的过去式
1.动词be的变化: am wasare→were 2.助动词do的变化: do→did(在过去时里助动词dd没有人称和数的变化) sA Did you play soccer yesterday? Did he play soccer yesterday?
1. 动词be的变化： was were am is are 2. 助动词do的变化： do→ did (在过去时里助动词did没有人称和数的变化) 如：Did you play soccer yesterday? Did he play soccer yesterday?
3.实义动词的变化:分规则变化和不规则变化。 构成规则 原形过去式 wOr worked 一般在动词原形末尾加ed l played 结尾是e的动词加-d hoped live li vea 末尾只有一个辅音字母的重读闭音节stop stopped 词,先双写这个辅音字母,再加edm tripped 结尾是“辅音字母+y”的动词,先变sm小y studied “y"为“望再加-ed worr worried 注:动词过去式不规则变化,需逐个记忆。书141页
3. 实义动词的变化： 分规则变化和不规则变化。 构成规则 原形 过 去 式 一般在动词原形末尾加-ed work play worked played 结尾是e的动词加-d hope live hoped lived 末尾只有一个辅音字母的重读闭音节 词，先双写这个辅音字母，再加-ed stop trip stopped tripped 结尾是“辅音字母+y”的动词，先变 “y”为“ i”再加-ed study worry studied worried 注：动词过去式不规则变化，需逐个记忆。书141页
快速说出下列动词怎样变成过去式。 1. watch-watched 2. visit- visited 3. play- played Ive lived 5. move- moved 6. decide- decided 7. study- studied 8. copy- copied 9. cry- cried 10. stop- stopped 11 plan- planned12 drop -dropped 13 am/is- was 14.go- went 15. do- did 16. put- put 17. get- got 18. take-took
快速说出下列动词怎样变成过去式。 1.watch- 2. visit- 3. play- 4. live- 5. move- 6. decide- 7. study- 8. copy- 9. cry- 10. stop- 11. plan- 12. drop- 13. am/is- 14. go- 15. do- 16. put- 17. get- 18. take - watched visited played lived moved decided studied copied cried stopped planned dropped was went did put got took
系动词be的过去时: 肯定句:主语+was/were+其他 否定句:主语+wasn't/ weren'+其他 般疑问句:Was/were+主语+其他? 肯定回答:Yes,主语+ was/were 否定回答:No,主语+wasn' t/weren't. 特殊疑问句:特殊疑问词+was/were+主语+其他?
am /is →was are →were 肯定句：主语+ was/were +其他. 否定句：主语 + wasn’t /weren’t+其他. 一般疑问句：Was/were+主语+其他？ 肯定回答： Yes, 主语 + was/were. 否定回答： No, 主语+ wasn’t/weren’t. 系动词be的过去时： 特殊疑问句：特殊疑问词+was/were+主语+其他？