Unit10 单元语法汇总I have had this book for three years.用延续性动词代替终止性动词①、用have代替buyMy brother has had(不能用has bought) this bike for almost four years.②、用keep或have代替borrowI have kept(不能用have borrowed) the book for quite a few days.③、用be替代become How long has your sister been a teacher?④、用have a cold代替catch a cold Tom has had a cold since the day before yesterday.⑤、用wear代替put onI don`t read it any more.no longer（= not…any longer），主要用来表示时间或距离的“不再”，意在对现在的情况和过去的情况加以比较，所以多用现在时。它一般修饰延续性动词，表示某个动作或状态不再延续下去。You are no longer a child. = You aren’t a child any longer.你已不再是个孩子了。He no longer lives here. = He doesn’t live here any longer.他不再住这里了。 no more（= not…any more），主要用来表示数量和程度，一般修饰短暂性动词，指某动作不再重复发生，它所表达的是never again或“没有更多”的含义。The baby no more cried. = The baby didn’t cry any more.这个小孩不再哭了。He is no more a student. = He is not a student any more.他不再是学生了。 注 意 no more和no longer一般要放在行为动词前，be动词后，而not…any more和not…any longer则要放在助动词和be动词后。 2. 当no more与than连用时，它所表达的是“与……一样不”的意思。since的用法 一．Since作为介词，后接某一确定的时间点，主句谓语动词是持续性动词，与现在完成时态、现在完成进行时态或过去完成时态连用。例如： 1、He left the village in 1982 and I haven’t seen him si |
