'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时常见考法 对于现在完成时的考查,多以单选、句型转换或词语运用的形式考...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时也可用来表示动作或状态发生在过去某一时刻,持续到现在并且有可能会继...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时的基本结构 肯定句:主语+have/has+动词的过去分词+其他 否定句:主语+have/...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时的用法 1. 现在完成时用来表示过去已经完成的动作对现在造成影响或后果。...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时的基本结构 肯定句:主语+have/has+动词的过去分词+其他 否定句:主语+have/...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); since的三种用法 1) since +过去一个时间点(如具体的年、月、日期、钟点、1980, last mont...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时: 1.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...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 现在完成时 1.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...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1.表示到说话人说话时已经完成的动作,却对现在仍有影响或结果。 例如: He has lost...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 一、弄清基本构成方法 现在完成时由have / has+过去分词构成。其中的have / has 为助动词,...