Hello students. This short presentation is to help you learn how to use "have to" to express obligations. For example:
In affirmative sentences:
Chefs have to cook food.
A chef has to cook food.
In negative sentences:
Chefs don't have to wear helmets.
A chef doesn't have to wear a helmet.
In questions:
Do chefs have to wear uniforms?
Does a chef have to wear a uniform?
Негізгі бет "Have to", 4th grade English grammar lesson
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