'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 定义:经常反复发生的动作或存在的状态 be动词用am/is/are 实意动词用原形或单三形式...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 谓语是be(am/is/are)的一般现在时。 ①肯定形式:主语+be+表语(形容词、名词充当表语)。...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 常和一般现在时连用的动词 表示按规定、计划或时间表将要发生的事: He starts next we...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一般现在时表现在的用法 1. 表示现在经常性或习惯性的动作。如: My sister wears glasses...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一般现在时的句子转换 (1)变一般疑问句:当句子中有be动词或情态动词时,则把be动词或...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一提到时态,就必然用到动词。首先要明确两个概念: 动词有五种形式,即:原形(形式...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一般现在时表现在 1. 表示现在经常性或习惯性的动作。如: My sister wears glasses. 我妹妹...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 主语为第三人称和名词单数时: 肯定式:S+V/动词的第三人称单数 否定式:S+ dont/doesnt +V...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一般现在时表将来 1)下列动词come, go, arrive, leave, start, begin, return的一般现在时可以表示...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一般现在时时代构成 (一)时态构成: 一般现在时主要由动词的原形表示,如果主语是第...