How
What
~n't (pronoun)?1
~n't (pronoun)?2
100

I've been learning Italian for nearly a year. 

How long have you been learning Italian?

100

Because if we buy a new car, we will have no money.

What if we buy a new car?

100

Yes, we should leave early to avoid traffic. 

We should leave early, shouldn't we?

100

Yup, it's raining. 

It's raining, isn't it?

200

I didn't attend your party because of a schedule issue.

How come you didn't attend my party?

OR

Why didn't you attend my party?

200

I bought these shoes for work. 

What did you buy those shoes for?

200

No, it is not that good. 

It's good, isn't it?

200

I agree, it's a nice shirt!

It's a nice shirt, isn't it?

300

I try to work out three times a week. 

How often do you go to the gym?

300

I got a new car for work.

What did you get a new car for?

300

I agree, we should get a cat. 

We should get a cat, shouldn't we?

300

You're right, we do already have a good tv. 

We've already got a good tv, haven't we?

400

I can have this project finished by as soon as Friday.

How soon can you finish this project?

OR

When can you have this project finished by?

400

The weather is great. 

What's the weather like?

400

I have seen it once before, but I wouldn't mind watching it again.

You've seen it, haven't you?

400

Sorry, I am busy tonight. 

You're busy tonight, aren't you?

500

I'm always busy because I'm the president of a school club. 

How come you're always busy?

OR

Why are you always busy?

500

The cake is delicious. 

What's the cake like?

500

Yes, I'm going roller skating. 

You're going roller skating, aren't you?

500

Yup, we do have class today.

We have class today, don't we?

OR

We have class today, haven't we?