1、高中英语知识点大全（62）：复合名词1、“复合名词”变复数的几种形式(1)由man和woman构成的复合名词变复数时，两个成分都要变。如：a man doctormen doctors男医生a woman driverwomen drivers女司机(2)由“名词+名词”以及“动名词+名词”构成的复合名词，把复数词尾放在一个名词上。如：police officers 警官 boy-friends男朋友match-boxes火柴盒 flower shops花店frying pans平底锅(3)由“名词+副词”构成的复合名词，把复数词尾放在名词上。如：passers-by过路人lookers-on
2、旁观者(4)由“家庭成员+in-law”构成的复合名词，复数形式放在第一个成分上。如：fathers-in-law（岳父） sisters-in-law（嫂嫂）sons-in-law（女婿）(5)复合名词中没有名词时，把复数词尾放在最后一个词上。如：go-betweens中间人，媒人 grown-ups成年人2、get in touch with sb. / keep in touch with sb.这两个相似动词短语的区别是：前者是表示动作性的，作“和（与）某人进行接触”解，如：Finally Hank and his friend gave each other their addres
3、ses and promised to get in touch again with each other when they both returned to the States.最后，汉克和他的朋友互换了地址，并且保证回美国后和对方联系。而后者表示状态，作“和（与）某人保持着联系”解。如：Some students keep in touch with me all the time. 一些学生一直和我保持着联系。3、get sb. / sth. doing 使某人/某物开始活跃或使某物开始工作Let me try now, I will get the car going 现在让我试试，我会把汽车发动起来。拓展：get sb. to do sth. = have sb. do sth. 让/使某人做某事get sth. done = have sth. done 请人做某事Ill get him to do the job. 我会让他做这项工作。When did you get your hair cut? 你什么时候理的发？
