My friends do not their duty perfectly.

My friends don't do their duty perfectly.

Not my friends but others do their duty perfectly.

My friends haven't done their duty perfectly.

Mrs. Awasthi had had twins at city hospital last evening.

Mrs. Awasthi hadn't twins at city hospital last evening.

Mrs. Awasthi didn't have twins at city hospital last evening.

Mrs. Awasthi had hadn't twins at city hospital last evening.

We hadn't coffee together in our last meeting.

We hadn't had coffee together in our last meeting.

We didn't had coffee together in our last meeting.

We didn't have coffee together in our last meeting.

My sister hasn't had long bond hair.

My sister doesn't have long bond hair.

My sister hasn't long bond hair.

My sister hasn't have long bond hair.

Young people don't have to go to foreign countries to work.

Young people haven't to go to foreign countries to work.

Young people haven't had to go to foreign countries to work.

Young people doesn't have to go to foreign countries to work.

I have no beautiful eyes.

I haven't beautiful eyes.

I don't have beautiful eyes.

I haven't had beautiful eyes.

My mother hasn't to cook every day.

My mother doesn't have to cook every day.

My mother never has to cook.

My mother hasn't have to cook every day.

Ms. Mary usedn't to sing pop songs.

Ms. Mary didn't used to sing pop songs.

Ms. Mary usedn't use to sing pop songs.

Ms. Mary did't use to sing pop songs.

Children mustn't be fed balanced diet. (prohibition)

Children needn't be fed balanced diet. (not necessary)

Children shouldn't be fed balanced diet.

Children aren't to be fed balanced diet.

I've got no practice books.

I have got any practice books.

I've not got some practice books.

I haven't got any practice books.

My father hasn't already been to Japan.

My father has not been to Japan already.

My father hasn't been to Japan yet.

My father hasn't yet been to Japan.

Tom also doesn't like swimming.

Tom doesn't like swimming too.

Neither Tom likes swimming.

Tom doesn't like swimming either.

I've got no idea.

I don't get an idea.

I haven't got an idea.

I haven't had an idea.

Some of the participants can do this task.

No of the participants can do this task.

None of the participants can do this task.

Any of the participants can't do this task.

Some of the students didn't help the needy man at the gate.

None of the students helped the needy man at the gate.

Any of the students helped the needy man at the gate.

Any of the students didn't help the needy man at the gate.

We seldom go to cinema on Saturdays.

We rarely go to cinema on Saturdays.

We hardly go to cinema on Saturdays.

We never go to cinema on Saturdays.

Nothing is wrong with you.

Anything isn't wrong with you.

Anything is wrong with you.

Something is not wrong with you.

Neither you or I am going to eat this cake.

Nine of us is going to eat this cake.

Neither you are going to eat this cake nor am I.

You are not going to eat this cake nor am I.

One of us is not going to be a politician here.

Any of us is going to be a politician here.

None of us is going to be a politician here.

Any of us is not going to be a politician here.

The Austins sometimes don't go to market together.

The Austins never go to market together.

The Austins seldom go to market together.

The Austins don't ever go to market together.

Let's sing a hoarse song.

Let us not sing a sweet song.

Let's not sing a sweet song.

Let any one not sing a sweet song.