How do you explain the difference between "depend on", "depending on" and "depends on"?

I know when to use each, but someone asked how you are meant to know which to use and I have no idea how to explain it to them.

Any help?
Last edited by Regression at Feb 19, 2009,
if you 'depend' on something or someone then you need them
'depending' on the weather there will be a cricket game tomorrow
'are you coming to the party?'
'it depends on weather my parents let me go.

did that help?
after this thread we should have one on the difference between 'weather' and 'whether'
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after this thread we should have one on the difference between 'weather' and 'whether'

weather is the forecast, whether is deciding between two or more things.

EDIT: i didn't know that was directed to samlocke. my bad.
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Last edited by fli.pansy at Feb 19, 2009,
Quote by Bendybaws
after this thread we should have one on the difference between 'weather' and 'whether'

my bad, always get that one wrong
Depending on would be an idiomatic expression I guess...as for the other two, aren't they basically the same, except one is singular and one is plural?
No, the problem is, how do you explain when you use them. You can say "I am depending on you", but not "I am depend on you", likewise you can say "I depend on you" but not "I depending on you".

How do you explain why a particular one is correct according to the context?
What are you talking about? I'm still lost, here.
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Quote by Regression
How do you explain why a particular one is correct according to the context?
you have to use obscenely complicated grammar terms about tenses and whatnot. like, i believe "depending on" is the imperfect tense. theres a lot of rules of english grammar that speakers know, but dont actually know the terms for.

but its pointless, because a native speaker knows how it works without having to know what tense it is.
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you have to use obscenely complicated grammar terms about tenses and whatnot. like, i believe "depending on" is the imperfect tense. theres a lot of rules of english grammar that speakers know, but dont actually know the terms for.

but its pointless, because a native speaker knows how it works without having to know what tense it is.

I see..

The problem is they aren't a native English speaker. Ah well, I guess they will just have to guess.
"Dude, I think your mom just pissed herself."
"That's ok. She's got her depends on."

Did I help clarify?
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It depends on which context you use it in.
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Quote by Regression
No, the problem is, how do you explain when you use them. You can say "I am depending on you", but not "I am depend on you", likewise you can say "I depend on you" but not "I depending on you".

How do you explain why a particular one is correct according to the context?

it's called grammer?

"hurry we're late!" "I RUNNING!"

correct-o-bot says: "I am running!"
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^ grammar.
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^ grammar.

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