'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 过去完成时与现在完成时的区别 现在完成时表示的动作发生在过去,它侧重的是对现在...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 过去完成时的基本用法 过去完成时的用法,我们可以从以下三个方面来说: 第一个是用...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 过去完成时的构成 肯定句:had+动词的过去分词;否定句:had后面加上not;一般疑问句:把...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 过去完成时: 1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 练习及答案 【典型考例】John and I____ friends for eight years. We first got to know each other at a C...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 根据上、下文来判定 I met Wang Tao in the street yesterday. We hadnt seen each other since he went to Be...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 过去完成时的判断依据一 1. 由时间状语来判定 一般说来,各种时态都有特定的时间状语...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 由过去的过去来判定 过去完成时表示过去的过去,是指在过去某一动作之前已经发生或...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 过去完成时的用法 用法1.表示一个动作或状态在过去某一时间或动作之前已经完成或结...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 过去完成时的概念与结构 概念:表示在过去某一时间或动作之前已经发生或完成了的动...