'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一般过去时 一、定义 一般过去时是表示过去经常或偶然发生的动作或存在的状态。 二...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一般过去时 概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 用法 ① 在确定的过去时间里所发生的动作或存在的状态。 时间状语有∶just now;yesterd...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 结构1.肯定形式① be动词was / were ② 行为动词动词的过去式(动词过去式分规则变化与不...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一般将来时 概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。 时间...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 过去进行时 概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。 时间状...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在进行时 概念:表示现阶段或说话时正在进行的动作及行为。 时间状语:now, at thi...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时 概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时 概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 【典型例题】 His father_____the party since 1978 A.joind B.has joined C.was in D.has been in 答案:D 解析...