Which sentence is correct?

Which sentence is correct?

1. What are you do?
2. What will do you do?.
3. What are you doing?
4. What have you do?

Which sentence is correct?

1. By Christmas they shall have been here for a year.
2. By Christmas they have been here for a year.
3. By Christmas they shall be here for a year.
4. By Christmas they are here for a year.

Which sentence is correct?

1. You will have pity on me.
2. You had pity within me.
3. You have pity opposite me.
4. You have to have pity round me.

Which sentence is correct?

1. Would you like a cigarette?
2. Do you like a cigarette?.
3. I like a book of stamps, please.
4. I have like a book of stamps, please.

Which sentence is correct?

1. The man from standing behind the house is my father.
2. The man to stand behind the house is my father.
3. The man standing behind the house is my father.
4. The man that standing behind the house is my father.

Which sentence is correct?

1. Those roses are reds.
2. These rooms are big.
3. There are no reds roses without a thorn.
4. This red roses are nice.

Which sentence is correct?

1. I left my book by my friend.
2. I left my book off my friend.
3. I left my book with my friend.
4. I left my book during my friend.

Which sentence is correct?

1. I wonder what he is going doing now.
2. I wonder if he to do now.
3. I wonder if he gone to do now.
4. I wonder what he is going to do now.

Which sentence is correct?

1. Did you can see her?
2. Will you can see her?.
3. Can you see her?
4. Do you can see her?

Which sentence is correct?

1. I cannot help from feeling sorry for him.
2. I cannot help to feel sorry for him.
3. I cannot help feeling sorry for him.
4. I cannot help feel sorry for him.