Вчем разница между it will be. / it will / will at be и что они означают?

Это будет, это будет,будет на быть! sorry разницу не знаю 

1.- You are sixteen years old.
2.- Marilyn lives in Hawaii
3.- Lorenzo watches cartoons.
4.- The kids don’t play golf.
5. - William draws nice pictures.
6. -The gardeners look after plants.
7.- Lorena doesn’t speak Chinese
8.- My brother sleeps in the garden
9. - Your uncle Philip smokes cigars.
10. -Hannah makes the beds.
11.- Some girls eat ice creams.
12. - The ducks swim in the pond.
13.- Mr Carter works for my dad.
14.-Steve performs the play at the
theatre.
15.- Mariam doesn’t walk home.
16.-She often catches the 8,15 bus.
17.-Ivan hates eating fish.
18. -Noemi rarely feeds the birds,
19.-Her cat drinks a lot of milk.
20.- Susan always packs her suitcases.
21. - That baby doesn’t cry atnight.

PRESENT CONTINUOUS TENSE
o 1. Yolanda is jumping in the park.
2.- Manuel is washing the dishes.
3.- Raphael is playing the harp.
4.- The kids are shouting now.
- That woman is wearing high heel shoes.
6.-Jennifer is picking flowers.
7.-Martha isn’t eating an apple.
B. - Thomas is telling the truth.
9. -Some teacher are correcting exams.
10.-Julian is downloading music,
11.- Tony is studying German
12.-Theresa is not answering any
questions.
13.-Roger is training very hard.
14.- Hector and Sonia are getting married.
15.- I am thinking about Harry.
16.- Elizabeth is kissing her son.
17. - You are drinking coffee.
18.- . Is Adriana traveling to Spain?
19.- Josephine isn’t listening to you.
20.- Enrique is singing a song.