English verb conjugation COULD PHOTOSYNTHESIZE

Regular verb: photosynthesize - photosynthesized - photosynthesized

Affirmation

Simple form

I could photosynthesize
you could photosynthesize
she could photosynthesize
we could photosynthesize
you could photosynthesize
they could photosynthesize

V-ing form

I could be photosynthesizing
you could be photosynthesizing
she could be photosynthesizing
we could be photosynthesizing
you could be photosynthesizing
they could be photosynthesizing

Perfect

I could have photosynthesized
you could have photosynthesized
she could have photosynthesized
we could have photosynthesized
you could have photosynthesized
they could have photosynthesized

V-ing perfect

I could have been photosynthesizing
you could have been photosynthesizing
she could have been photosynthesizing
we could have been photosynthesizing
you could have been photosynthesizing
they could have been photosynthesizing

Negation

Simple form

I could not photosynthesize
you could not photosynthesize
she could not photosynthesize
we could not photosynthesize
you could not photosynthesize
they could not photosynthesize

V-ing form

I could not be photosynthesizing
you could not be photosynthesizing
she could not be photosynthesizing
we could not be photosynthesizing
you could not be photosynthesizing
they could not be photosynthesizing

Perfect

I could not have photosynthesized
you could not have photosynthesized
she could not have photosynthesized
we could not have photosynthesized
you could not have photosynthesized
they could not have photosynthesized

V-ing perfect

I could not have been photosynthesizing
you could not have been photosynthesizing
she could not have been photosynthesizing
we could not have been photosynthesizing
you could not have been photosynthesizing
they could not have been photosynthesizing

Interrogative form

Simple form

could I photosynthesize?
could you photosynthesize?
could she photosynthesize?
could we photosynthesize?
could you photosynthesize?
could they photosynthesize?

V-ing form

could I be photosynthesizing?
could you be photosynthesizing?
could she be photosynthesizing?
could we be photosynthesizing?
could you be photosynthesizing?
could they be photosynthesizing?

Perfect

could I have photosynthesized?
could you have photosynthesized?
could she have photosynthesized?
could we have photosynthesized?
could you have photosynthesized?
could they have photosynthesized?

V-ing perfect

could I have been photosynthesizing?
could you have been photosynthesizing?
could she have been photosynthesizing?
could we have been photosynthesizing?
could you have been photosynthesizing?
could they have been photosynthesizing?

Interro-negative form

Simple form

could I not photosynthesize?
could you not photosynthesize?
could she not photosynthesize?
could we not photosynthesize?
could you not photosynthesize?
could they not photosynthesize?

V-ing form

could I not be photosynthesizing?
could you not be photosynthesizing?
could she not be photosynthesizing?
could we not be photosynthesizing?
could you not be photosynthesizing?
could they not be photosynthesizing?

Perfect

could I not have photosynthesized?
could you not have photosynthesized?
could she not have photosynthesized?
could we not have photosynthesized?
could you not have photosynthesized?
could they not have photosynthesized?

V-ing perfect

could I not have been photosynthesizing?
could you not have been photosynthesizing?
could she not have been photosynthesizing?
could we not have been photosynthesizing?
could you not have been photosynthesizing?
could they not have been photosynthesizing?

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