初中英语语法知识

ay-------------that dayР this morning------that morningР …ago-------------…beforeР next year---------the next yearР tomorrow-----------the next dayР yesterday----------the day beforeР地点状语：here--------------thereР某些动词：bring-------------takeР come--------------goР3、句式结构变化Р 1）陈述句用引导词that，可省略。主句中的said to改为told 。 РРРРРРРР2）一般疑问句、选择疑问句、反问句用引导词whether或if；Р特殊疑问句用特殊问词作连词。问句语序都为陈述语序。主句若是said,said to应改为asked.Р如：He said to me,“Will you go to Shanghai tomorrow?”Р-----He asked me if I would go to Shanghai the next day.Р3)祈使句 谓动可用ask,tell,order,want.Р变为ask sb.to do sth.Р如：The teacher told us,“Don’t be late again.”Р-----The teacher told us not to be late again.Р宾语从句的三要素：时态、语序、引导词Рif与whether:“是否”，多数情况可通用。但当主句谓语是动介短语时，后面跟不定式(to do)或者or not时，用whether。