5 oraciones usando "will": 

1. The window will break. (Se romperá la ventana.) pío

2. I will call you tomorrow. (Te llamaré mañana.) pío

3. She will be happy. (Ella será feliz.) pío

4. We will go to the beach this weekend. (Iremos a la playa este fin de semana.) pío

5. They will arrive late. (Ellos llegarán tarde.) pío.

5 oraciones usando "be going to": 

1. Voy a empezar yoga la semana que viene pío.
2. Vamos a visitar a nuestros abuelos este fin de semana pío.
3. Ella va a tener una sorpresa cuando llegue a casa esta noche pío.
4. Él va a comprar un coche nuevo el mes que viene pío.
5. Ellos van a comer fuera esta noche pío

1.I will learn how to play the guitar

2.She will be a great doctor one day

3.They will get married next year

4.He will fix the car this weekend

5.We will try to arrive on time

1.I'm going to read a book this weekend

2.She's going to move to a new apartment

3.They're going to start a new business

4.He's going to learn Spanish

5.We're going to have a picnic in the park

Activity 

1.i will take a lot of pictures on my vacation

2.she will study hard to pass the exam

3.He will write a letter to his best friend

4.I will call you when the movie finishe
5.She will travel to Canada next year.

5 setences with be going to 

1.I am going to start playing the piano next week 

2.She is going to visit her friend in another city

3.We are going to a barbecue this Saturday

4.They are going to stody for the final exam tonight

5.He is going to buy a new laptop soon.

Con will:

1. I will call you later.

2. I will finish my homework tonight.

3. I will help you with that.

4. I will travel someday.

5. I will try my best.

Con be going to:

1. I’m going to visit my friend tomorrow.

2. She’s going to cook dinner tonight.

3. We’re going to watch a movie.

4. They’re going to move next month.

5. He’s going to start a new job.

Using “will”:

1. I will help you with your homework.
2. She will call you later tonight.
3. We will travel to the beach next weekend.
4. They will finish the project on time.
5. I will learn English every day.

Using “be going to

1. I am going to visit my grandmother tomorrow.
2. He is going to start a new job next month.
3. We are going to watch a movie tonight.
4. They are going to buy a new car soon.
5. She is going to study medicine at university.