英语序数词及简写.doc

eenth19th第20twentieth20th第21twenty-first21st第22twenty-second22nd第23twenty-third23rd第24twenty-fourth24th第25twenty-fifth25th第26twenty-sixth26th第27twenty-seventh27th第28twenty-eighth28th第29twenty-ninth29th第30thirtieth30th第31thirty-ieth90th第100onehundredth100th英语月份一月January二月February三月March四月April五月May六月June七月July八月August九月September十月October十一月November十二月DecemberDate:20thSeptember读法:the20thofSeptember或Septemberthe20th【语法】,常与表示过去的时间短语连用。其谓语动词用过去式来表达。如:)be动词的过去式:am/is→was,are→were2)行为动词过去式的规则变化:一般动词,在词尾直接加ed,如:look→looked,work→worked以不发音的e结尾的动词,直接加d,如:like→liked,live→lived,dance-danced③以辅音字母+y结尾的动词,变y为i,再加ed,如:study→studied,cry→cried重读闭音节,结尾只有一个辅音字母时,双写末尾辅音字母,再加ed,如:stop→stopped,plan→planned,shop→shopped行为动词还有很多动词的过去式是不规则的,需要同学们自己花时间记住哦!不规则动词过去式:am,is---wasare---weredo---didsay-