I could synthesize you could synthesize she could synthesize we could synthesize you could synthesize they could synthesize
Forme en V-ing
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
Perfect en V-ing
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
Négation
Forme simple
I couldn't synthesize you couldn't synthesize she couldn't synthesize we couldn't synthesize you couldn't synthesize they couldn't synthesize
Forme en V-ing
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
Perfect en V-ing
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
Forme interrogative
Forme simple
could I synthesize? could you synthesize? could she synthesize? could we synthesize? could you synthesize? could they synthesize?
Forme en V-ing
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?
Perfect en V-ing
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?
Forme interro-négative
Forme simple
couldn't I synthesize? couldn't you synthesize? couldn't she synthesize? couldn't we synthesize? couldn't you synthesize? couldn't they synthesize?
Forme en V-ing
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?
Perfect en V-ing
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?