simple future

it is very simple. it's just like simple present added with will as auxiliary. and after will you do not nedd to put any addition at all such as s or es.
look at this example carefully;

1. + He will go to school.

- He will not go to school.

? Will he go to school?

2. + She will climb the mountain.

- She will not climb the mountain.

? Will she climb the mountain?

3. + They will run to the forest.

- They will not run to the forest.

? Will they run to the forest?

4. + We will listen to the music.

- We will not listen to the music.

? Will we listen to the music?

5. + I will do my homework.

- I will not do my homework.

? Will I do my homework?

6. + You will understand the lesson.

- You will not understand the lesson.

? Will you understand the lesson?

7. + We will speak English.

- We will not speak English.

? Will we speak English?

8. + They will wash their clothes.

- They will not wash their clothes.

? Will they wash their clothes?

9. + The cat will eat fish.

- The cat will not eat fish.

? Will the cat eat fish?

10. + Tony and Andy will swim in the river.

- Tony and Andy will not swim in the river.

? Will Tony and Andy swim in the river?