现在完成时的六大句型,现在完成时的固定句型

现在完成时的六大句型,现在完成时的固定句型

现在完成时的句型、用法及例句现在完成时一. 构成助动词have/has + 过去分词例：肯定句I have worked. 否定句I have not (haven't ) worked. 疑问句Have you worked ?现在完成时现在完成时现在完成时构成构成构成助动词助动词助动词have/has + have/has + have/has + 过去分词过去分词过去分词：肯定句肯定句肯定句I hav

现在完成时的句型1. 肯定句：主语+have/has+过去分词+其他成分。例如：I have found my schoolbag.我已经找到了我的书包。同学们注意的是found是find“找”六现在完成时常用句型1It is the first/second timethat结构中的从句部分，用现在完成时It is the first time that I have visited the city 这是我第一次参观这座城

↓。υ。↓ 现在完成时的形式是“have/has+过去分词”，一般表示影响、结束、继续和经历四种意思。现在完成时的否定句是在have/has后面直接加上not；一般疑问句是将have/has置于主语之前；特殊一、现在完成时句型构成基本结构：主语+have/has+动词的过去分词(p.p)(V-ed) e.g done 二、现在完成时用法①.否定句中：主语+haven't/hasn't+动词的过去分词(p

(1)That/This/It is the first (second, third ) time (that) 句型中，从句要用现在完成时。It is the first time that I have visited the city. 这是我第一次参观这座现在完成时的句型如下：助动词have/has +过去分词例：肯定句I have worked. He has worked.否定句I have not (haven't ) worked.He has not (hasn't )worked .疑问