1.现在式: 一般时(例:he works hard表示他工作努力) 进行时(例:he is reading表示他正在阅读) 完成时(例:he have finished it表示他已完成了) 完成进行时(例:he have been writting it for two hours表示他已经写了两个小时了) 2.过去式: 一般时(例:he worked hard表示他过去工作很努力) 进行时(例:he was reading last night表示他昨晚在阅读) 完成时(例:he had finished it since you arrived.表示在你到达之前他已完成) 完成进行时(例:he had been writting it表示他过去就已经在写了) 3.将来式: 一般时(例:he will work hard表示他将努力工作) 进行时(例:he will be reading表示他将会阅读的) 完成时(例:he will have finished it by the time of tomorrow表示明天之前他将完成) 完成进行时(例:he will have been staying there for ten years by the time of next month表示到下个月,他将呆在那儿十年了) 4.过去将来式 一般时(例:he would work hard表示他过去工作努力) 进行时(例:he would be working hard表示他过去一段时间在努力工作着) 完成时(例:he would have finished it by the last month表示他到上个月为止就将完成任务) 完成进行时(例:he would have been staying there for ten years by the time of last month表示到上个月为止,他在那里差不多呆了十年之久)