1.depend on+某人或某物
Whether we’ll go camping depends on the weather. 我们是否去野营要看天气。
I haven’t got a car, so I have to depend on the buses. 我没有汽车，所以我得乘公共汽车。
有时可在某人或某物后用介词 for。如：
We depend on the radio for news. 我们靠收音机听新闻。
Children depend on their parents for food and clothing. 儿童的衣食靠父母。
2. depend on+某人或某物+不定式或动名词
I’m depending on you to do the work. 我指望你做这工作。
You can never depend on him [his] arriving on time. 你决不能指望他能准时到达。
You can’t depend on the train arriving on time. 千万不要认为火车能正点到达。
3. depend on+从句
Our success depends on whether everyone works hard ornot. 我们的`成功取决于每个人是否努力。
The amount you pay depends on where you live. 你付多少钱要看你住什么地方。
在 It (all) depends on+从句中，介词 on, upon 有时可省略(主要见于口语中)。如：
It all depends how you do it. 那要看你怎么办。
It depends (on) whether you can afford it. 这要看你是否买得起。
注：depend on 后不接 that-从句(此时须用 it)。如：
You may depend on it that he will join our club. /You may
depend on him to join our club. 你可以指望他加入我们的俱乐部。