Question

2. write the verb in the negative form of the present perfect
1. they (dance)_____all night
2. they (do)_____ their homework very quickly
3. i (help)_____ him with his sons
4. they (spend)____ their holidays in turkey

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Answer 1

Respuesta:

1. they  haven't danced all night

2. they haven't done their homework very quickly

3. I haven't helped him with his sons

4. they haven't spent their holidays in Turkey

Explicación:

Answer 2

Respuesta:

1. They have not danced all night
2. They haven't done their homework very quickly
3. I haven't helped him with his sons
4. They haven't spent their holidays in turkey

Explicación:

Presente Perfecto

Usamos el presente perfecto para expresar acciones en el pasado cuyo tiempo es indeterminado o indefinido.

Pasado                Presente Perfecto           Presente

___|_________________|_______________|____

Para formar el negativo en el presente perfecto colocamos el "not" despues del auxiliar have o has depende sea el caso.

Este se puede abreviar.

Have not = Haven't

Has not = Hasn't

Con "I, you, they, we" usamos have, y para "he, she, it" usamos has.