1. has的过去式是什么 has的过去式是had 。
has是have的第三人称形式,它们的过去式都是had 。词汇解析 has 英 [h?z] 美 [h?z] v. 有,吃,得到,从事,允许,雇用,享有(have的第三人称单数) 例句: 1、You may not like him, but he has his merit . 你可能不喜欢他,但是他有他的优点 。
2、In spite of those like me and not because of us, this day has come to you. 尽管有那些像我一样的教师,不是因为我们的原因,你的这一天已经来到了 。扩展资料 1、hath 英 [h?θ] 美 [h?θ] vt. 有(have的第三人称单数现在式) 例句:My true-love hath my heart, and I have his. 我的真爱占有我的心,我也拥有他的心 。
例句:But I know him: for I am from him, and he hath sent me. 我却认识他 。因为我是从他来的,他也差了我来 。
2、undertake 英 [?nd?'te?k] 美 [,?nd?'tek] vt. 承担,保证;从事;同意;试图 例:She undertook the task of monitoring the elections. 她承担了监督选举的任务 。例:He undertook to edit the text himself. 他承诺亲自编辑正文 。
2. have的过去式 是:had
一、读音:
英 [h?d; ?d; h?d] 美 [h?d,?d,h?d]
二、中文释义:
1、v. 有;吃;得到(动词have的过去式和过去分词)
2、aux. 已经(用于过去完成时和过去完成进行时)
三、短语:
1、had problems 有问题
2、had finished 去完成时 ; 完成了 ; 已完成
3、had left去完成时 ; 去完成式 ; 离开 ; 已离开
扩展资料
had的近义词:been
【has的过去式怎么写】一、读音:
英 [bi?n; b?n] 美 [b?n]
二、中文释义:
v. 是,有(be的过去分词)
三、短语:
1、from been 从被 ; 从直 ; 从已
2、Never been 从来都不是 ; 从未 ; 永远 ; 从来没有
3、long been 长期以来一直 ; 长期以来 ; 正在翻译
四、例句:
This has been the hottest summer within my memory.
就我记忆所及,这是最热的一个夏天 。
3. have/has+过去时是什么时态 现在完成时是英文时态的一种现在完成时的用法 主语+have(has)+过去分词(done) 1.现在完成时用来表示现在之前已发生过或完成的动作或状态,但其结果却和现在有联系,也就是说,动作或状态发生在过去但它的影响现在还存在. I have lost my wallet.(含义是:现在我没有钱花了.) Jane has laid the table.(含义是:已可以吃饭了.) Michael has been ill.(含义是:现在仍然很虚弱) He has returned from abroad. (含义是:现在已在此地) 2. 现在完成时可以用来表示发生在过去某一时刻的,持续到现在的情况,常与for,since连用. Mary has been ill for three days. I have lived here since 1998. 3. 现在完成时往往同表示不确定的过去时间状语连用,如already, yet, just, before, recently,still, lately等: He has already obtained a scholarship. I haven't seen much of him recently (lately). We have seen that film before. Have they found the missing child yet 4. 现在完成时常常与表示频度的时间状语连用,如often, sometimes, ever, never, twice, on several occasion等: Have you ever been to Beijing I have never heard Bunny say anything against her. I have used this pen only three times. It is still good. George has met that gentleman on several occasions. 5. 现在完成时还往往可以同包括现在时间在内的时间状语连用,如now, up to these few days/weeks/months/years, this morning/week/month/year, now, just, today, up to present, so far等: Peter has written six papers so far. Man has now learned to release energy from the nucleus of the atom. There has bee too much rain in San Francisco this year. The friendly relations and cooperation between our two countries have been enhanced in the past few years. Up to the present everything has been successful. 6. 现在完成时表示现在之前业已完成的动作,虽然其效果或影响仍然存在但已不再继续,但是有一些现在完成时的句子,在后面加上for+一段时间,则现在完成时的动作就表示延续性. Thomas has studied Russian. (现在不再学俄语) Thomas has studied Russian for three years. (=Thomas began to study Russian three years ago, and is still studying it now.(同第2点用法第一个例句) 7. 现在完成时还可以用来表示过去的一个时间到现在这段时间内重复发生的动作. We have had four texts this semester. =================== 现在完成时的“完成用法”和“未完成用法” 1.现在完成时的"完成用法" 现在完成时的"完成用法"指的是动作发生在过去某一时刻并已结束,但该动作对现在产生了影响,与现在情况具有因果关系 。