久久99热精品,久久国产精品久久,久久人人国产,国产精品久久久久久久久久嫩草,欧美伦理电影免费观看,国产女教师精品久久av,精品国产乱码久久久久久虫虫

was been doing是什么時態(tài)

回答
瑞文問答

2024-10-12

過去進行時或過去將來時。將來時,除了用will還可用be+doing。時態(tài)根據句意判斷,例如:have been doing是現(xiàn)在完成進行時,表示從過去一直持續(xù)到現(xiàn)在,并且現(xiàn)在并未停止,還將持續(xù)到將來。have done現(xiàn)在完成時,到現(xiàn)在為止已經完成。

擴展資料

  例句:

  1、I was wondering if you were doing anything this weekend.

  我想知道這個周末你是否要做什么。

  2、While they were doing their homework, I was doing the laundry.

  他們在做家庭作業(yè)的時候,我正在洗衣服。

  3、It was the locals who felt like what they were doing was dangerous.

  當?shù)厝擞X得,他們這么做是很危險的。

  4、He was doing this for himself, not for his father.

  他這么做是為了自己,不是為父親。

  5、He knew exactly what he was doing.

  他清楚地知道自己在做什么。

柳林县| 马龙县| 赤壁市| 菏泽市| 醴陵市| 柞水县| 珲春市| 琼海市| 万载县| 宁阳县| 昌图县| 本溪市| 大英县| 丘北县| 周至县| 苏尼特左旗| 化隆| 和龙市| 密云县| 鄂尔多斯市| 赤峰市| 外汇| 新绛县| 荥经县| 镇平县| 襄汾县| 黑水县| 饶阳县| 瑞丽市| 华安县| 新晃| 东安县| 吐鲁番市| 绥芬河市| 休宁县| 太湖县| 高台县| 万州区| 井冈山市| 体育| 鹤壁市|