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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD SYNTHESIZE

Regular verb: synthesize - synthesized - synthesized


Affirmation

Simple form
I could synthesize
you could synthesize
she could synthesize
we could synthesize
you could synthesize
they could synthesize
V-ing form
I could be synthesizing
you could be synthesizing
she could be synthesizing
we could be synthesizing
you could be synthesizing
they could be synthesizing
Perfect
I could have synthesized
you could have synthesized
she could have synthesized
we could have synthesized
you could have synthesized
they could have synthesized
V-ing perfect
I could have been synthesizing
you could have been synthesizing
she could have been synthesizing
we could have been synthesizing
you could have been synthesizing
they could have been synthesizing

Negation

Simple form
I couldn't synthesize
you couldn't synthesize
she couldn't synthesize
we couldn't synthesize
you couldn't synthesize
they couldn't synthesize
V-ing form
I couldn't be synthesizing
you couldn't be synthesizing
she couldn't be synthesizing
we couldn't be synthesizing
you couldn't be synthesizing
they couldn't be synthesizing
Perfect
I couldn't have synthesized
you couldn't have synthesized
she couldn't have synthesized
we couldn't have synthesized
you couldn't have synthesized
they couldn't have synthesized
V-ing perfect
I couldn't have been synthesizing
you couldn't have been synthesizing
she couldn't have been synthesizing
we couldn't have been synthesizing
you couldn't have been synthesizing
they couldn't have been synthesizing

Interrogative form

Simple form
could I synthesize?
could you synthesize?
could she synthesize?
could we synthesize?
could you synthesize?
could they synthesize?
V-ing form
could I be synthesizing?
could you be synthesizing?
could she be synthesizing?
could we be synthesizing?
could you be synthesizing?
could they be synthesizing?
Perfect
could I have synthesized?
could you have synthesized?
could she have synthesized?
could we have synthesized?
could you have synthesized?
could they have synthesized?
V-ing perfect
could I have been synthesizing?
could you have been synthesizing?
could she have been synthesizing?
could we have been synthesizing?
could you have been synthesizing?
could they have been synthesizing?

Interro-negative form

Simple form
couldn't I synthesize?
couldn't you synthesize?
couldn't she synthesize?
couldn't we synthesize?
couldn't you synthesize?
couldn't they synthesize?
V-ing form
couldn't I be synthesizing?
couldn't you be synthesizing?
couldn't she be synthesizing?
couldn't we be synthesizing?
couldn't you be synthesizing?
couldn't they be synthesizing?
Perfect
couldn't I have synthesized?
couldn't you have synthesized?
couldn't she have synthesized?
couldn't we have synthesized?
couldn't you have synthesized?
couldn't they have synthesized?
V-ing perfect
couldn't I have been synthesizing?
couldn't you have been synthesizing?
couldn't she have been synthesizing?
couldn't we have been synthesizing?
couldn't you have been synthesizing?
couldn't they have been synthesizing?