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have使役动词，宾语补足语
have 表示“使得…”,其后接宾语补足语, 常用以下句型：
have sb do sth 使得某人做某事
have sb doing sth 使得某人做某事
have sth done 使得某事被做
只能用doing 的情况
表示正在发生
Be quick. They have the car waiting for you at the school gate.
否定句中表示(不能)容忍某人做…
I won’t have him cheating in the exam.
表示某一时间内一直延续不断的动作
He had us laughing all through the meals.
2.The answer: lactate. Cows lactate for up to ten months.
up to多达
例句：I can take up to four people in my car.
我的汽车最多能坐四个人。
直到
例句：Up to now he's still quiet.
他直到现在仍保持沉默。
在于…, 取决于…
例句：This is up to you.
这件事取决于你。
3.Milk can be made into cheese.
make into被制成...的
例句：He made the Bookcase into a dining table.
他把书橱做成餐桌。
make out of用某物制造出
例句：The boy made a boat out of wood.
那男孩用木头做了一条船。
What do you make out of their statement?
你对他们的声明有何看法。
