Conjugación del verbo inglés
COULD SHUTTLE

Verbo regular: shuttle - shuttled - shuttled

Afirmación

Forma simple	Forma con V-ing
I could shuttle you could shuttle he could shuttle we could shuttle you could shuttle they could shuttle	I could be shuttling you could be shuttling he could be shuttling we could be shuttling you could be shuttling they could be shuttling
Perfecto	Perfecto con V-ing
I could have shuttled you could have shuttled he could have shuttled we could have shuttled you could have shuttled they could have shuttled	I could have been shuttling you could have been shuttling he could have been shuttling we could have been shuttling you could have been shuttling they could have been shuttling

Negación

Forma simple	Forma con V-ing
I couldn't shuttle you couldn't shuttle he couldn't shuttle we couldn't shuttle you couldn't shuttle they couldn't shuttle	I couldn't be shuttling you couldn't be shuttling he couldn't be shuttling we couldn't be shuttling you couldn't be shuttling they couldn't be shuttling
Perfecto	Perfecto con V-ing
I couldn't have shuttled you couldn't have shuttled he couldn't have shuttled we couldn't have shuttled you couldn't have shuttled they couldn't have shuttled	I couldn't have been shuttling you couldn't have been shuttling he couldn't have been shuttling we couldn't have been shuttling you couldn't have been shuttling they couldn't have been shuttling

Forma interrogativa

Forma simple	Forma con V-ing
could I shuttle? could you shuttle? could he shuttle? could we shuttle? could you shuttle? could they shuttle?	could I be shuttling? could you be shuttling? could he be shuttling? could we be shuttling? could you be shuttling? could they be shuttling?
Perfecto	Perfecto con V-ing
could I have shuttled? could you have shuttled? could he have shuttled? could we have shuttled? could you have shuttled? could they have shuttled?	could I have been shuttling? could you have been shuttling? could he have been shuttling? could we have been shuttling? could you have been shuttling? could they have been shuttling?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I shuttle? couldn't you shuttle? couldn't he shuttle? couldn't we shuttle? couldn't you shuttle? couldn't they shuttle?	couldn't I be shuttling? couldn't you be shuttling? couldn't he be shuttling? couldn't we be shuttling? couldn't you be shuttling? couldn't they be shuttling?
Perfecto	Perfecto con V-ing
couldn't I have shuttled? couldn't you have shuttled? couldn't he have shuttled? couldn't we have shuttled? couldn't you have shuttled? couldn't they have shuttled?	couldn't I have been shuttling? couldn't you have been shuttling? couldn't he have been shuttling? couldn't we have been shuttling? couldn't you have been shuttling? couldn't they have been shuttling?