Write the sentences in the negative. Ex. She will meet us at the station. She won’t meet us at the station.

John will become an engineer. .

Susan will miss her train. .

Nancy will help him with this project. .

It will snow the day after tomorrow. .

He will pass the test. .

I will call you tonight. .

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John will become an engineer. John won't become an engineer.

Susan will miss her train. Susan won't miss her train.

Nancy will help him with this project. Nancy won't help him with this project.

It will snow the day after tomorrow. It won't snow the day after tomorrow.

He will pass the test. He won't pass the test.

I will call you tonight. I won't call you tonight.

John won't become an engineer.

Susan won't miss her train.

Nancy won't help him with this project.

It won't snow the day after tomorrow.

He won't pass the test.

I won't call you tonight.

I, you, we, they, he, she, it + will not (won't) +

Для построения отриц. предл. в Future Simple используется вс глагол will not (или сокращение - won't). В предложениях я использовал won't, т.к. данный вариант был указан в примере. Вы же можете абсолютно везде использовать полную форму  will not.