沙棘的散文诗After all I have finished my homework.
亲爱的等你回来的句子has是第三人称单数的现在完成时 had是所有人称的过去完成时 完成时应该是have down就是have加上动词的过去分词 have been doing是表示做一件事做了多久 就是从时候开始
描述青山绿水的句子案 i have seen that film last week.en he has been lived in here since 1992.the book has been bought by me for 3 years.i have known them since 5 years ago.my sister has been
关于巧遇的句子案 现在完成时的构成是:have(has)+动词的过去分词 要注意的是,不是加动词的过去式,而是加动词的过去分词。大多数动词的过去式和过去分词是同一形式的,但有些动词
过生日适合发朋友圈的句子现在完成时表示对现在的影响; 过去完成时表示过去的过去 e.g He has already had lunch(言下之意是他不饿,强调对现在的影响) She had gone home before went to