1.某些实意动词用作连系动词用时,常用主动代替被动.这类动词有: sound , look, feel, taste 2.动词sell, break, write, wash, read等,它们常是不及物动词,而且后有副词修饰(well, easily, smooth...). 3.want, need, require表示"需要"时,以及形容词worth后的动名词要用主动表被动. 动词不定式做后置定语,且与被修饰名词构成动宾关系时,不定式用主动表被动.这 种情况下,句子的主语与不定式有主谓关系. 例:I have a meeting to attend. 4.在"名词(代词) + be + adj. + to do "结构中,句子的主语是不定式的逻辑宾语, 此时不定式用主动表被动.用于该结构的形容词有:difficult, easy, important, heavy, light, nice, pleasant, fit.... 5.在There be + 名词 + to do结构中,不定式多用主动形式. 6.不定式to let, to blame, to seek作表语时,常用主动表被动.
18.as 有哪些常见用法?【适合于高一】【适合于高二, 高三】 做连词可用于: 1.引导时间状语从句 "在...的时候,当..." 2.引导原因状语从句 "因为,由于" 3.引导方式状语从句 "依照,按照,如,像" 4.引导让步状语从句 "尽管,虽说" 此种用法时从句要倒装(表语倒装, 谓语倒装,状语倒装) 5.as后跟名词 (相当于一个时间状语从句) As a young man, he worked hard. = When he was a young man, he worked hard. 6.和某些动词连用,构成固定搭配. treat...as regard...as look on(upon)...as take...as take up...as think of...as introduce...as take a job as... serve...as act as 7.用于某些成语 as black as coal as dry as dust as blind as a bat as easy as ABC as brave as a lion as fair as a rose as fat as a pig as busy as a bee as free as the air as cold as ice as gentle as a lamb as deep as a well as greedy as wolf as happy as a king as heavy as lead as sound as a bell as poor as a church mouse as proud as a peacock as quiet as a lamb as red as blood as white as snow as a matter of fact 事实上 as a result 结果 as a result of 由于... as a rule 一般(说来);通常 as ...as possible = as...as one can 尽力,尽可能 as follows 如下 as if (as though) 就像...似的 as to + 名词 至于,说到 as to + that从句 关于(常不译出) as usual 像平常一样 so as to 以便 so ...as to 如此...以至... so (as) long as 只要 such ...as to 如此...以至... as...as... 和...一样... as soon as 一...就... as soon as possible 尽快地 as well 也, 还 as well as 也, 还 such as 如像
19. word 一词有什么值得注意的?【适合于高二】 1. 注意该词的单复数.如: have a word with sb.和...说句话 have words with sb. 和...吵架 in a word 总之 in other words 换句话说 keep one's word 遵守诺言 beyond words 无法用言语来形容 2. word 用单数且不用冠词意为:消息,谣言 Word came of his success abroad. Word came from Beijing. word用单数并用定冠词或其它限定词意为:命令,嘱咐 The troops got the word to begin moving out. His word is that he has gone back to Tianjin.
20.most 一词前的冠词如何使用?【适合于高一】【适合于高二, 高三】 most 前加the 是最高级;most前加 a时表示"非常"= very He is the most careful in our class. He is a most careful student in our class. most 做代词用时要注意: 1.the most 后不能加介词of引导的短语. The most you can hope for is 50$. 2.most of 前不加冠词表示"大部分,大多数"一般做主语,宾语. Most of the students are from the countryside. 3.在固定搭配中at (the) most 有无冠词都可以.