以重读闭音节结尾的动词.ppt

实意动词一般过去时的变化规则 重读闭音节 三要素1 一个元音字母 必须是重读音节 2 元音字母发短元音 3 以一个辅音音素结尾 改变时态或形容词变比较级和最高级时 重读闭音节需要双写末尾辅音字母 如 run runningswim swimmingjog joggingsit sittingbegin beginning 重读在gin这个音节上 相当于把gin改成双写的 forbid 重读闭音节 双写 prohibit 重读在第二音节 非重读闭音节 不双写 prefer 重读闭音节 双写 offer 重读第一音节 非重读闭音节 不双写 forbiddingforbadeforbidden prohibitingprohibited preferringpreferred offeringoffered knock pick walk push like finish stop notice answer enter hurry live count decide close look shop open knocked picked walked pushed liked finished stopped noticed answered entered hurried lived counted decided closed looked shopped opened 特殊变法P274 动词的不规则形式A A A型put put putread read readset set setlet let letcut cut cutshut shut shuthit hit hitcost cost costburst burst burstforecast forecast forecastbroadcast broadcastquit quit quit 找出不属于A A A型的动词 put give hit cut set let cost shut buy read see burst forecast broadcast beatgive gave givenbuy bought boughtsee saw seenbeat beat beaten A B B型bring buy bleed bend burn build catch deal dig fight feed find get hold hear have brought brought bought bought bled bled bent bent burnt burnt built built caught caught dealt dealt dug dug fought fought fed fed found found got got held held heard heard had had hang keep lay light lead leave lend send spend lose learn mean meet make pay shoot hung hung kept kept laid laid lit lit led led left left lent lent sent sent spent spent lost lost learnt learnt meant meant met met made made paid paid shot shot sleep sweep sell smell spell spoil say sit spit shine stand think teach tell win understand slept slept swept swept sold sold spelt spelt spoilt spoilt said said sat sat spat spat shone shone stood stood thought thought smelt smelt taught taught told told won won understood understood A B Cgo see come become drink run begin sing ring swim sink give blow know break choose draw drive eat fall fly went gone saw seen came come drank drunk ran run rang rung sang sung sank sunk gave given blew blown knew known became become broke broken chose chosen ate eaten flew flown began begun swam swum drew drawn drove driven fell fallen take mistake speak freeze forbid forget forgive steal write rise grow throw wake wear show hide lie took taken mistook mistaken spoke spoken forbade forbidden forgot forgotten forgave forgiven wrote written rose risen grew grown threw th