Learn 在 + place + 动词 and 要 + 动词 through Online Friends and Chinese.
Examples
箱子中有很多书。
There are many books in the box.
Examples
中国是一个很大的国家。
China is a very large country.
我的国家很美丽。
My country is very beautiful.
Examples
他不说话。
He doesn't talk.
请说话慢一点。
Please speak a little more slowly.
S + 在 + 地点 + 动词Use 在 together with a location to indicate where an action takes place. 在 goes before the location, with the verb following.
我在家上网。
I go online at home.
他在图书馆学习汉语。
He studies Chinese at the library.
S + 要 + 动词Use 要 before a verb to express the intention to do something in the near future or the desire to do it.
明天我要考试。
I have an exam tomorrow.
我要买一个本子。
I want to buy a notebook.
Two students, Xiao Lin and Xiao Ming, talk about studying.
明天你要做什么？
What are you going to do tomorrow?
我要在家上网。
I'm going to go online at home.
你上网做什么？
What will you do online?
我要学习汉语。
I'm going to study Chinese.
很好！你在哪儿学习汉语？
Great! Where do you study Chinese?
我在家上网学习。
I study online at home.
你有中国网友吗？
Do you have any Chinese online friends?
有。我们常常在网上说话，我的汉语好多了。
Yes. We often chat online, and my Chinese has got a lot better.