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发布时间：1714394981 来源：文档文库
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时态（8个）：
一般现在时: 经常或习惯性的动作
结构: 肯定句 主语+be (am, is, are + 其他 eg: I am Chinese. 否定句 主语+be not +其他 eg: I am not a boy. 疑问句 Be+主语+其他 eg: Are you a girl?
或: 肯定句 主语+动原+其他 (三单作主语动词要变形 eg: I (He often get (gets up early. 否定句 主语+don't+动原+其他 (三单作主语don't变doesn't eg: I (She don’t (doesn’t like him. 疑问句 DO+主语+动原+其他 (三单作主语do变does eg: Do (Does you (she like playing baseball? 关键词: sometimes=at times有时，often经常, usually通常, always总是, every day每天, on Sunday afternoon在周日下午, five days a week一周五天, three times a month一个月三次…
现在进行时: 正在发生的动作
结构: 肯定句 主语+be+动词的现在分词(ing+其他 eg: I am reading now. 否定句 主语+be not+动词的现在分词(ing+其他 eg: I am not working. 疑问句 Be +主语+动词的现在分词+其他 eg: Are you sleeping? 关键词:now现在, at the moment此刻, look, listen, keep quiet等提示语.
一般将来时: 将要发生的动作
结构: 肯定句 主语+will+动词原型+其他 eg: I will call you later. 否定句 主语+will not +动词原型+其他 eg: I will not go to the park. 疑问句 Will +主语+动词原型+其他 Will you go shopping with her? (will 可改为be going to ,当主语是第一人称时will可用shall 关键词:tomorrow, next year明年, tonight今晚, this year今年, at the end of this term这学期期末, from now on从现在开始, soon一会儿 马上, later后 稍后，in three days三天之, in the future未来…
一般过去时: 过去发生的动作 强调时间
句子结构:肯定句 主语+be(was,were+其他 eg: I was born on July.1st, 2000. 否定句 主语+be not+其他 eg: I was not born in 1999. 疑问句 Be+主语+其他 eg: Were you born in January? 或: 肯定句 主语+动词的过去式(ed+其他 Lily went shopping yesterday. 否定句 主语+did not+动原+其他 eg: He did not go to school today. 疑问句 Did+主语+动原+其他eg:Did she pass the test? 关键词:yesterday昨天,last week上周, last year去年, 一段时间+ago如ten years ago十年前 five hours ago五小时前, in +年/月，on+具体日期... Just now=a moment ago刚才,in the old days从前, long ago很久以前...
过去进行时: 过去正在发生的动作
结构: 肯定句 