三年级字母组合发音规则
th-有清与浊两种读音: (1)th位于词首时,可以从词性上判别其应有的读音。在名词、动词、形容词和数词中th发清辅音。如:thing,theatre,thunder,thermos,Thursday,theory,theme,throat,thread,think,thank,thrive,thicken,thirteen,thirty,third,thousand,thick,thirsty,thoughtful,thorough在代词和一些功能词中th发浊辅音.如:them,their,theirs,there,the,than,then,though,thus,therefore,they。只有介词through是个例外。 (2)th位于词尾(或音节之尾)时,其读音多数是清辅音,如:bath,breath,tooth,等。只有在少数单词中,如:with,smooth中读浊音。 (3)th在词中并且后面接er时,或者最后一个字母是不发音的e时,通常也发浊辅音。例如:feather,weather,whether,leather,further,father,bathe,breathe,southern,northern,either等。在其他情况下发清辅音。例如:author,faithful,method,nothing,anything,healthy,wealthy。 试读下列单词:mother,father,another,brother,health,wealthoo复合词读短u,还有d,k之前读短u,其余全部读长u:,特殊foot不读长,特殊food不读短,还有l,d间要读oo读长还是短,记住口诀就简单。 d, k之前读短u,food一词是特例;(如:good(好),book(书),look(看),特例词:foodu:(食物);) t前读长u:,foot需要特殊记;(如:boot(靴子),tooth(牙齿),特例词:footu(脚);) 复合词中要读短,其余多数读长u:; l, s, d间读作,例外还要特殊记。(如:blood(血),flood(洪水)等.)网上找的口诀二: 好、脚、k前不发长u, 房间、正午、食物、凉发长u:, 复合词-room中都读短u, 选择、扫帚、学校中读长u:, wood、动词过去式也读短u, 不久、月亮、也(太)必读长u:。注:1good foot football look cook book中要发u 2room noon afternoon food cool中发u: 3bedroom classroom reading-room sitting-room meeting-room dining-room中发u 4choose broom school中发u: 5wood took stood understood中发u 6soon moon too中发u:字母组合ee的发音i: beef deep free green meet sleep three tree .字母组合ir的发音: bird first girl shirt thirty skirt .i.e ai(元音字母i加辅音字母加不发音的元音字母e )ai bike fine nine time shine kite five life .