英语连词PPT[共18页].pptVIP

中考复习;连词： 主要作用是: 连接单词与单词、短语与短语、句子与句子。它是虚词,不能在句子中作成分.;连词的分类;用来连接平行的词，词组或句子。常见的 并列连词有： (1)表并列关系的and, both…and, not only…but also, neither…nor, as well as等。 (2)表选择关系的or, either…or等。 (3)表转折关系的but, however, yet等。 (4)表因果关系的for, so等。;１．and 和，并且;2. both…. and 既….又 例如: Both I and she like sleeping. neither…nor 既不…也不 (连接主语时要就近原则) 例如: Neither you nor Lucy works hard not only ….but also 不但…而且(连接主语时要就近原则) 例如: Not only Mike but also his sister has been to London as well as 既…又(也), 不仅 …而且 例如: Lily can sing as well as dance.;1. or, 或，否则 Get up earlier, or you will miss the early bus.; 1. but 但是 He lives in Beijing now, but his home is in Zhejiang.;1. for 因为 He didn’t go to school, for he was ill.;(1)引导时间状语从句的after, before, when, while, as, until, till, since, as soon as等。 (2)引导条件状语从句的if, unless等。 (3)引导原因状语从句的because, as, since等。 (4)引导目的状语从句的so that, in order that等。 (5)引导让步状语从句的though, although, even if等。 (6)引导结果状语从句的so…that, such…that等 (7)引导比较状语从句的than, as…as, less..than等。 (8)引导宾语从句的 if , whether, when等。 ; 1. after 在----之后 I will give you a ring after he comes back.;7. as. 当…时候, 一边….一边.. 例如: I met my old friend as I was walking in the street.; 2. unless 除非 I will go there with you unless you agree with me. I will go there with you unless my mother tells me not to .; 2. as 由于，因为 语气最弱 As it is raining heavily, you’d better stay at home.; 2. in order that The teacher speaks slowly in order that we could catch her.; 2.even if / even though 即使 I will go and help them even though I stop my work.;六:结果状语从句;七:比较状语从句