Teoría Need y needn

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Need y needn´t
•
Need puede traducirse como necesitar y puede ser un verbo modal o uno ordinario.
- Verbo modal → seguido de un infinitivo sin to (bare infinive): You needn´t clean the house.
- Verbo ordinario → seguido de un infinitivo con to u otros elementos: She needs some free time.
She needs to go home.
•
Need como verbo modal se utiliza casi únicamente en frases negativas e interrogativas, por
lo que decimos She needs to go home, en lugar de She need go home.
Afirmativa
Negación
I
You
He/she/it
need to cook
need to cook
needs to cook
I
don´t need to / needn´t cook
you
don´t need to / needn´t cook
he/she/it doesn´t need to / needn´t cook
We
You
They
need to cook
need to cook
need to cook
we
you
they
don´t need to / needn´t cook
don´t need to / needn´t cook
don´t need to / needn´t cook
Interrogación
respuesta breve +
respuesta breve -
Need I cook?/do I need to cook?
Yes, I need/do
No, I needn´t/don´t
Need you cook?/do you need to cook?
Yes, you need/do
No, you needn´t/don´t
Need he/she/it cook?/ Does he/she/it need to cook?Yes, he/she/it need/doesNo, he/she/it needn´t/doesn´t
Need we cook?/do we need to cook?
Need you cook?/do you need to cook?
Need they cook?/do they need to cook?
•
Yes, we need/do
Yes, you need/do
Yes, they need/do
No, we needn´t/don´t
No, you needn´t/don´t
No, they needn´t/don´t
Needn´t o don´t need to expresan que no existe necesidad de hacer algo y su significado es
similar al de don´t have to.
- You don´t need to do the washing now. (You don´t have to do the washing now)
- She needn´t do it today (She doesn´t have to do it today)
•
En cualquier tiempo verbal diferente al presente se utiliza need como un verbo normal:
- She needed to go out.
- They will need some help.
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