set-setting; put-putting
4.以ie结尾的动词，把ie改为y再加ing
die-dying; tie-tying
巩固练习：将下列动词变成现在分词的形式
2.eat2. like3. study
4.hope5. run6. stop
7.lie8. try9.get
10. play11. begin12. write
2.以不发音的e结尾的动词，去e加ing
make-making; live-living;
ride-riding; decide-deciding
3.以重读闭音节（最后三个字母：辅音字母+元音字母+辅音字母）结尾的动词，先双写最后一个辅音字母再加ing
swim-swimming; win-winning;
5.不规则变化
put-put；read- read; send-sent; burn-burnt; grow-grew
know-knew; keep- kept
巩固练习：将下列动词变成过去式
1.write2. like3. study
4. play5. meet6. stop
7. plan8. sit9.get
5.不规则变化
have- has
巩固练习：将下列动词变为第三人称单数形式
1.cry2. read3. study
4.watch5. teach6. fix
e8. try9.wash
10. play11. work12. do
2．现在分词（动词ing形式）变化规则
1.一般在词尾加ing
do-doing; meet-meeting; read-reading; watch-watching
1．主语是第三人称单数形式时，动词变成三单的规则
1.一般在词尾加-s
get-gets; make-makes; cook-cooks;
need -needs; sing-sings
2.以o、s、x、sh、ch结尾的动词，加es
go-goes; box-boxes; miss-misses;
catch-catches（追上、捕捉）
3．动词过去式（或过去分词）的变化规则
1.一般在词尾加ed
watch-watched; open-opened;
ask-asked; help-helped
2.以不发音的e结尾的动词，在词尾直接加d
close-closed; live-lived;
hope-hoped;
3.以“辅音பைடு நூலகம்母+y”结尾的动词，把y改i再加ed
fly-flied; study-studied;
worry-worried; dry-dried
4.以重读闭音节（最后三个字母：辅音字母+元音字母+辅音字母）结尾的动词，先双写最后一个辅音字母再加ed
shop-shopped; trip-tripped;
skip-skipped(跳过，略过); drop-dropped
10. build11. begin12. eat
3.以“辅音字母+y”结尾的动词，把y改i再加es
fly-flies(飞); worry-worries; dry-dries（使变干）; carry-carries（携带,搬运）
4.以“元音字母+y”结尾的动词，直接加s
stay-stays; buy-buys; say-says; pay-pays(付款)