English verb conjugation
COULD EMBRITTLE

Regular verb: embrittle - embrittled - embrittled

Affirmation

Simple form	V-ing form
I could embrittle you could embrittle he could embrittle we could embrittle you could embrittle they could embrittle	I could be embrittling you could be embrittling he could be embrittling we could be embrittling you could be embrittling they could be embrittling
Perfect	V-ing perfect
I could have embrittled you could have embrittled he could have embrittled we could have embrittled you could have embrittled they could have embrittled	I could have been embrittling you could have been embrittling he could have been embrittling we could have been embrittling you could have been embrittling they could have been embrittling

Negation

Simple form	V-ing form
I could not embrittle you could not embrittle he could not embrittle we could not embrittle you could not embrittle they could not embrittle	I could not be embrittling you could not be embrittling he could not be embrittling we could not be embrittling you could not be embrittling they could not be embrittling
Perfect	V-ing perfect
I could not have embrittled you could not have embrittled he could not have embrittled we could not have embrittled you could not have embrittled they could not have embrittled	I could not have been embrittling you could not have been embrittling he could not have been embrittling we could not have been embrittling you could not have been embrittling they could not have been embrittling

Interrogative form

Simple form	V-ing form
could I embrittle? could you embrittle? could he embrittle? could we embrittle? could you embrittle? could they embrittle?	could I be embrittling? could you be embrittling? could he be embrittling? could we be embrittling? could you be embrittling? could they be embrittling?
Perfect	V-ing perfect
could I have embrittled? could you have embrittled? could he have embrittled? could we have embrittled? could you have embrittled? could they have embrittled?	could I have been embrittling? could you have been embrittling? could he have been embrittling? could we have been embrittling? could you have been embrittling? could they have been embrittling?

Interro-negative form

Simple form	V-ing form
could I not embrittle? could you not embrittle? could he not embrittle? could we not embrittle? could you not embrittle? could they not embrittle?	could I not be embrittling? could you not be embrittling? could he not be embrittling? could we not be embrittling? could you not be embrittling? could they not be embrittling?
Perfect	V-ing perfect
could I not have embrittled? could you not have embrittled? could he not have embrittled? could we not have embrittled? could you not have embrittled? could they not have embrittled?	could I not have been embrittling? could you not have been embrittling? could he not have been embrittling? could we not have been embrittling? could you not have been embrittling? could they not have been embrittling?