1. Na primeira você vai adicionar o is going to ou are going to:
Nick is going to study in the library.
You are going to write a love letter.
The child is going to eat an apple
They are going to get up early tomorrow
My team is going to win the championship
We are going to drink orange juice after dinner

2. A segunda é a mesma coisa que a primeira, só que usando apenas os pronome (I, you, he/she/it...)
He is going to live in Mexico
She is going to travel the world
They are going to buy a new house
She is going to arrive tomorrow
We are going to leave now
I'm going to work next week

3. Para passar uma frase para o negativo bastar adicionar um not após o pronome, ex:
We are vira we are not (aren't forma contraída) Is vira Is not (isn't forma contraida) 

Para passar uma frase para a forma interrogativa, usamos ''are'', is'', ''were'' antes do pronome. Exemplo:
We were to the party;
Were we to the party?

She is beautiful
Is she beautiful?
 
Respostas:
We aren't going to give a party next saturday.
Are we going to give a party next saturday?

They aren't going to translate the text.
Are they going to translate the text?

The children aren't going to swim in the lake
Are the children going to swim in the lake?

Susan and Peter aren't going to play with the Kite
Are Susan and Peter going to play with the Kite?

We aren't going to celebrate your birthday
Are we going to celebrate your birthday?

4. O simple future é o mais comum de todos, basta adicionar o will + verbo
They will climb that mountain
He will check the tryes before the trip
You will fill the radiator
It will rain tomorrow
They will visit the white house
She will find the way to the bus station

5. Para passar para a forma negativa, como eu já havia dito, é só colocar not depois do pronome. Will vira Will not (Won't forma contraída)
Na forma interrogativa, o ''will' por exemplo irá iniciar a pergunta.

The filme won't begin eighty thirty
Will the filme begin eighty thiry?

The train won't leave in five minutes
Will the train leave in five minutes?

She won't do hers exercises
Will she do hers exercises?

I won't travel to europe next year
Will I travel to europe next year?

Lucy will not buy a new cookery book
Will Lucy buy a new cookery book?

He will not go to Las Vegas to play in a Cassino
Will he go to Las Vegas to play in a Cassino?