1,一般加s,例如:pen---pens
2,以s,sh,ch,x结尾加es,例如:bus—buses,brush—brushes,watch—watches,box—boxes
3,以辅音字母加y结尾,去掉y为i加es例如:baby---babies
4,以f,fe结尾,去掉f,fe加ves life---lives,leaf---leaves
5,以有生命的o结尾加es例如:hero---heroes,tomato---tomatoes,potato---potatoes,mango---mangoes
6,复合名词遇见man,woman两个词时,两个名词都要加复数a man teacher---two men teachers
初中英语知识点总结 篇21.stop to do sth. 和stop doing sth.
“stop to do sth.” 表示停止做其它事情而去做“to do sth.”所表示的事情,可以将“to do sth.”理解成“stop”的目的状语:“stop doing sth.”表示不做“doing sth.”所表示的事情。
例如:“stop talking. lets begin our class.”said the teacher. 老师说:“别说话了,让我们开始上课。”
we have kept doing our homework for a long time. lets stop to listen to music. 我们做家庭作业很长时间了,让我们停下来听听音乐。
2.have sth. done.(过去分词)(让别人)做某事
例如:i had my hair cut yesterday afternoon. 我昨天下午理了发。
my computer can not work now. i must have it repaired. 我的电脑有故障了,我必须让人修好它。
3.forget to do sth.和forget doing sth. (remember to do sth. 和remember doing sth.)
“forget to do sth.”表示将来不要忘记做某事,谈的是未来的事情:“forget doing sth.”表示忘