mini grammar-11
have sb do sth have sth done have sb doing
have sb do sth： 使某人做某事 have sth done：请别人做某事
have sb doing：听任某人…，此句型的分词动作应在“谓语动作前已经发生并仍在进行”
eg. The boss often has them work for 14 hours a day.
rise raise arise
rise 表主语自身转移向较高位置“升起，升高”
eg. Her voice rose higher and higher with excitement
raise作用力于其它事物“举起，提起，抬高”
She raised her eyes and stared at them
arise 常跟如下名词：argumnet,problem,quarrel,question,movement
eg. A democratic movement has arsisen.
happen take place occur
happen:普通词：“发生”一般带有意外和偶然性,happen to do sth:碰巧，恰好
take place:按意图，计划“发生”，事情往往 安排好，还可引申为“举行，进行”;
occur： 用于指具体事物时可与happen
have sb do sth： 使某人做某事 have sth done：请别人做某事
have sb doing：听任某人…，此句型的分词动作应在“谓语动作前已经发生并仍在进行”
eg. The boss often has them work for 14 hours a day.
rise raise arise
rise 表主语自身转移向较高位置“升起，升高”
eg. Her voice rose higher and higher with excitement
raise作用力于其它事物“举起，提起，抬高”
She raised her eyes and stared at them
arise 常跟如下名词：argumnet,problem,quarrel,question,movement
eg. A democratic movement has arsisen.
happen take place occur
happen:普通词：“发生”一般带有意外和偶然性,happen to do sth:碰巧，恰好
take place:按意图，计划“发生”，事情往往 安排好，还可引申为“举行，进行”;
occur： 用于指具体事物时可与happen
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