Al escribir las oraciones en forma negativa resulta :
She doesn't speak English quite well.
My sister isn't 21.
She doesn't go to school.
They don't practice volleyball twice a week.
My father doesn't fry eggs for breakfast every morning.
Alfred doesn't write letters to his parents every week.
Para convertir las oraciones afirmativas que están escritas en presente simple a forma negativa se escribe el sujeto seguido del auxiliar ( don't - doesn't ) luego el verbo en presente y por último el complemento de la oración.
She speaks English quite well.
My sister is 21.
She goes to school.
They practice volleyball twice a week.
My father fries eggs for breakfast every morning.
Alfred write letters to his parents every week.
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