【动词 介词to】短语中，稍不注意就把to误用为不定式符号。高中英语3500词中，有7个这样的短语，它们是：

1. belong to 属于，这个词组一般也不用于被动结构，也没有进行体用法

The house had belonged to her family for three or four generations. 这套房子归她们家有三四代人了。

They belong to an older, more self-denying generation. 他们属于更加克己的上一代人。

2. come to 共计，达到

How much do all these come to? 这些共计多少钱?

The sum came to 230 dollars. 金额共计230美元。

3. connect to 连接，相连（如果在connect后面加上一个宾语，connect则成为及物动词）

Click ‘Continue’ to connect to the Internet.点击 Continue 连接到互联网。

First connect the printer to the computer. 首先把打印机与计算机接通。（及物动词）

4. lead to 导致，导向

Eating too much sugar can lead to health problems. 食用过多的糖会引起健康问题。

He warned yesterday that a pay rise for teachers would lead to job cuts. 他昨天警告说，给教师们加薪会导致职位的裁减。

5. point to 指向

He pointed to the spot where the house used to stand.他指出那所房子原来所在的地方。

An arrow pointed to the toilets. 箭头指向卫生间。

6. write to 写信给……

She wrote to him in France. 她给他往法国写信。

值得注意的是，write后可以接用动词不定式，这时，不定式表示目的。例如：

I'm writing to enquire about language courses. 特此致函询问有关语言课程事宜。

7. stick to 坚持

Stick to your principles, and you will win through. 坚持你的原则，就会胜利。

Stick to it and you'll make it. 坚持下去，就会成功。