Conjugación del verbo inglés
COULD PLAGUE

Verbo regular: plague - plagued - plagued

Afirmación

Forma simple	Forma con V-ing
I could plague you could plague he could plague we could plague you could plague they could plague	I could be plaguing you could be plaguing he could be plaguing we could be plaguing you could be plaguing they could be plaguing
Perfecto	Perfecto con V-ing
I could have plagued you could have plagued he could have plagued we could have plagued you could have plagued they could have plagued	I could have been plaguing you could have been plaguing he could have been plaguing we could have been plaguing you could have been plaguing they could have been plaguing

Negación

Forma simple	Forma con V-ing
I couldn't plague you couldn't plague he couldn't plague we couldn't plague you couldn't plague they couldn't plague	I couldn't be plaguing you couldn't be plaguing he couldn't be plaguing we couldn't be plaguing you couldn't be plaguing they couldn't be plaguing
Perfecto	Perfecto con V-ing
I couldn't have plagued you couldn't have plagued he couldn't have plagued we couldn't have plagued you couldn't have plagued they couldn't have plagued	I couldn't have been plaguing you couldn't have been plaguing he couldn't have been plaguing we couldn't have been plaguing you couldn't have been plaguing they couldn't have been plaguing

Forma interrogativa

Forma simple	Forma con V-ing
could I plague? could you plague? could he plague? could we plague? could you plague? could they plague?	could I be plaguing? could you be plaguing? could he be plaguing? could we be plaguing? could you be plaguing? could they be plaguing?
Perfecto	Perfecto con V-ing
could I have plagued? could you have plagued? could he have plagued? could we have plagued? could you have plagued? could they have plagued?	could I have been plaguing? could you have been plaguing? could he have been plaguing? could we have been plaguing? could you have been plaguing? could they have been plaguing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I plague? couldn't you plague? couldn't he plague? couldn't we plague? couldn't you plague? couldn't they plague?	couldn't I be plaguing? couldn't you be plaguing? couldn't he be plaguing? couldn't we be plaguing? couldn't you be plaguing? couldn't they be plaguing?
Perfecto	Perfecto con V-ing
couldn't I have plagued? couldn't you have plagued? couldn't he have plagued? couldn't we have plagued? couldn't you have plagued? couldn't they have plagued?	couldn't I have been plaguing? couldn't you have been plaguing? couldn't he have been plaguing? couldn't we have been plaguing? couldn't you have been plaguing? couldn't they have been plaguing?