Verb conjugation: negative

The negative tense — as the name implies — negates a given verb. Depending on the context it can be either used to specify an action which does not happen in general, or that will not happen in a specific instance. For example:

わたしはりんごをべない。
(1) I don't eat apples.
(2) I won't eat an apple.

Conjugation table
KindPlainConjugated
1-danない
5-dan, すころころさない
5-dan, ぶばない
5-dan, ぐおよおよがない
5-dan, くかない
5-dan, むまない
5-dan, ぬなない
5-dan, るはしはしらない
5-dan, つたない
5-dan, う使つか使つかわない
irregularかない
irregularない
irregular
する
しない
Examples
I thought you wouldn't come.
I don't do that.
I will not go.
I don't have a girlfriend now.
She's not here.
I don't think that she will come.
I don't know and I don't want to know.
I don't know what to do anymore.
I don't know what you're saying.
I don't understand either.
I don't know. I've never thought about it.
I don't have to go-I want to go.
"Is he coming?" "No, I don't think so."
I don't know what he'll do.
I don't know him.
He doesn't come here anymore.
I don't think he'll come.
He says he won't come.
I am afraid he won't come.
He will not go.
He isn't coming, either.
I think he won't come.
I can do it, but I won't.
I want to do it, but I can't.
I can't do it either.
I think he can't do that.
She can't do it.
He won't listen to me.
I don't know what'll happen.
I don't know what happened to him.
I don't know because I wasn't there.
He will have to go there.
She must go there.
I must go there.
I won't go there anymore.
Can't you even do this?
If you don't go, I will not go either.
If you're not going, I'm not either.
I must say no to you.
I don't understand what you're saying.
Are you really not going?
Don't ask me, I really have no clue.
You can't see it from here.
Are you sure you don't know what it was?
I must wait here.
We won't do that today.
I won't come today.
He may come, or he may not.
She may not come.
It's not that I don't want to, I just can't.
Do you think I don't know that?
I don't know her, nor do I want to.
I can't go, nor do I want to.
He isn't here, is he?
He will not come today.
He won't come, will he?
I'm telling you, I'm not going.
"Do you think she's okay?" "I don't know."
Can you give me a house?
He's not at home.
There are two strangers in front of my house.
He isn't at home, is he?
She may not be at home now.
I have to stay at home.
I don't know you anymore.
I don't know what to say.
I don't know what to do either.
He thinks of nothing but himself.
I can only wait.
I don't know what's wrong.
Don't you think it a bad thing?
I'm not really sure what to do.
I still don't really understand what he said.
I don't quite understand what he says.
I can't figure out what he is saying.
I'm not sure if that was a good thing or a bad thing.
I want to die, but I cannot.
So, you're not coming?
I don't know what this is.
Don't you know what this is?
I have to do something.
But you're not there.
I must go there irrespective of what you think.
This is all you have to do now.
I don't know what you're doing now.
If you're not going, I'm not going either.
If you don't go, I won't, either.
I don't know what you're trying to say.
You can't do that.
You're not coming, are you?
You have to go.
I don't know where to go.
I don't know where I am.
I don't know where he is!
I don't know where he went.
I cannot say how far his story is true.
I do not know where to wait for her.
Why don't you come with me?
I don't think you can do this.
If you don't eat, you'll die.
I'd like to tell you, but I can't.
I must say something.
You must always tell the truth.
"Why aren't you going?" "Because I don't want to."
Why don't you understand it?
Why can't we do it now?
I don't understand why he didn't tell the truth.
I can't figure out why she didn't come.
Why are you not telling the truth?
Why don't you ever say it?
Why don't you say it?
You've always known what I can't do.
I won't see her again.
I must go and see him.
You must do work.
I don't think he killed those men.
Thou shalt not kill.
You can't do that, right?
She has no idea what I intend to do.
I don't understand my own feelings.
You must go home.
Why don't you go home?
I'm not going back home.
I'm not going back.
Won't you come over to my place?
We must start now.
I don't understand what I'm supposed to do.
He doesn't know who he should ask.
Who isn't here?
I don't know who did this.
I don't know who's using it.
I don't know what that means.
I can't understand the meaning.
The meaning doesn't change.
You don't eat anything.
Why aren't you doing anything?
How come you say nothing?
I won't do anything.
I don't feel anything.
Don't you know anything?
I don't know anything about it.
I don't know her at all.
I can't do anything.
I'm sure that she will not come to see you.
You must consider what kind of work you want to do.
Why don't you do that right now?
Why can't you do that?
I don't know anything about this.
I know nothing as to where he is now.
She can't have known about it.
Can't you hear the sound?
What? I can't hear what you're saying.
I can hear you, but I can't see you.
I hear your voice, but I can't see you.
I can't hear what she's saying.
There is no reason why I should go there.
I don't know the reason why he went there.
You must not go out today.
Why haven't you answered?
I don't know what to answer.
Tell me something I don't know.
The teacher doesn't teach.
Can you tell me the time?
I know the reason, but I can't tell you.
You don't know how worried I am.
Try not to worry too much.
According to her, he isn't coming.
Nobody here knows my name.
I'm not sure of the name.
I don't know her name, but I do know her by sight.
Aren't you even going to tell me your name?
Don't you know his name?
I don't know his name.
I don't know what to do next.
I don't know where I should go.
I ought to go there, but I won't.
I don't believe this.
I don't believe that story.
Why don't you believe me?
I don't know what to believe anymore.
I don't believe him any longer.
I don't know who to trust anymore.
I don't know what to believe.
Whatever you may say, I don't believe you.
You won't believe what I just saw.
I don't believe such a story.
I don't believe his story.
Not a day goes by where I don't think about you.
I don't know whether he is dead or alive.
She has no enemies.
I definitely won't do that again.
I'd never ever do that.
It doesn't look expensive.
You don't know who I am.
Somebody has to finish this job.
I'll never forget what you told me.
We'll never forget her.
I would never forget that.
He doesn't believe in God.
Some people believe in God and others don't.