Learn English free online - how to pronounce word in English - English Learning Online- www.pronounceword.com

专业四级考试词汇语法详解九(1)

  test nine

  动词后接不定式或动名词

  有些动词或词组如admit, appreciate, avoid, consale, defer, delay, enjoy, escape, excuse, finish, mention, mind, miss, quit, postpone, practise, resist, risk, (can't) stand, suggest, give up, put off等后面只能接动名词。例如:

  i enjoy playing football.

  i don't mind sleeping with the door open.

  有些动词如stop, remember, forget, try, mean等接不定式或动名词做宾语,意思各不相同。

  try doing sth试试看(没有付诸的行动)

  try to do尽力去做(已有行动)

  mean doing sth意味着

  mean to do sth打算

  近义词辨析

  change, alter, convert, modify, vary

  这组词均含有“变化”的意思。

  change

  最常用,指任何一种变化过程,但多用于指某人或某物发生根本性转变,失去了原来的身份特征,前后完全不同。

  years of hard work had changed her a great deal.多年辛苦劳作使她变了很多。

  alter

  指对人或事物的某些特征进行某种程度的更改,但并没有使人或事物的性质发生根本改变。

  she had to ask the dressmaker to alter the dress for her.她不得不请裁缝把衣服改一下。

  convert

  指使事物的条件、性质、功能等发生重要改变、转换、或转化。

  scientists are trying to find cheaper ways to convert salt water to fresh water.科学家在努力寻找将海水淡化的更廉价的方法。

  modify

  指在较小的范围内进行形式上的修改或调整。

  they have to modify the terms of their lease.他们不得不修改租赁条款。

  vary

  可以指仅仅改变事物的外观,也可指使事物的内在性质发生变化,通常是在同一组事物中将一种情形改变为另一种情形。

  she varies the program each month to make it more attractive.每个月她都对节目做些变动,使它更吸引人。