1.depend on [upon]+某人或某物
Whether we’ll go camping depends on the weather. 我們是否去野營要看天氣。
I haven’t got a car, so I have to depend on the buses. 我沒有汽車，所以我得乘公共汽車。
有時可在某人或某物后用介詞 for。如：
We depend on the radio for news. 我們靠收音機聽新聞。
Children depend on their parents for food and clothing. 兒童的衣食靠父母。
2. depend on [upon]+某人或某物+不定式或動名詞
I’m depending on you to do the work. 我指望你做這工作。
You can never depend on him [his] arriving on time. 你決不能指望他能準時到達。
You can’t depend on the train arriving on time. 千萬不要認為火車能正點到達。
3. depend on [upon]+從句
Our success depends on whether everyone works hard ornot. 我們的成功取決于每個人是否努力。
The amount you pay depends on where you live. 你付多少錢要看你住什么地方。
在 It (all) depends on [upon]+從句中，介詞 on, upon 有時可省略(主要見于口語中)。如：
It all depends how you do it. 那要看你怎么辦。
It depends (on) whether you can afford it. 這要看你是否買得起。
注：depend on [upon] 后不接 that-從句(此時須用 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們的俱樂部。
4. 口語中說 It (all) depends. /That depends. 意為“那要看情況”。如：
A:Are you going too? 你也去嗎?
B:That depends. 那要看情況。
I want to leave early but it all depends. 我想早點離開，但那要看情況。