I could transistorize you could transistorize he could transistorize we could transistorize you could transistorize they could transistorize
V-ing form
I could be transistorizing you could be transistorizing he could be transistorizing we could be transistorizing you could be transistorizing they could be transistorizing
Perfect
I could have transistorized you could have transistorized he could have transistorized we could have transistorized you could have transistorized they could have transistorized
V-ing perfect
I could have been transistorizing you could have been transistorizing he could have been transistorizing we could have been transistorizing you could have been transistorizing they could have been transistorizing
Negation
Simple form
I couldn't transistorize you couldn't transistorize he couldn't transistorize we couldn't transistorize you couldn't transistorize they couldn't transistorize
V-ing form
I couldn't be transistorizing you couldn't be transistorizing he couldn't be transistorizing we couldn't be transistorizing you couldn't be transistorizing they couldn't be transistorizing
Perfect
I couldn't have transistorized you couldn't have transistorized he couldn't have transistorized we couldn't have transistorized you couldn't have transistorized they couldn't have transistorized
V-ing perfect
I couldn't have been transistorizing you couldn't have been transistorizing he couldn't have been transistorizing we couldn't have been transistorizing you couldn't have been transistorizing they couldn't have been transistorizing
Interrogative form
Simple form
could I transistorize? could you transistorize? could he transistorize? could we transistorize? could you transistorize? could they transistorize?
V-ing form
could I be transistorizing? could you be transistorizing? could he be transistorizing? could we be transistorizing? could you be transistorizing? could they be transistorizing?
Perfect
could I have transistorized? could you have transistorized? could he have transistorized? could we have transistorized? could you have transistorized? could they have transistorized?
V-ing perfect
could I have been transistorizing? could you have been transistorizing? could he have been transistorizing? could we have been transistorizing? could you have been transistorizing? could they have been transistorizing?
Interro-negative form
Simple form
couldn't I transistorize? couldn't you transistorize? couldn't he transistorize? couldn't we transistorize? couldn't you transistorize? couldn't they transistorize?
V-ing form
couldn't I be transistorizing? couldn't you be transistorizing? couldn't he be transistorizing? couldn't we be transistorizing? couldn't you be transistorizing? couldn't they be transistorizing?
Perfect
couldn't I have transistorized? couldn't you have transistorized? couldn't he have transistorized? couldn't we have transistorized? couldn't you have transistorized? couldn't they have transistorized?
V-ing perfect
couldn't I have been transistorizing? couldn't you have been transistorizing? couldn't he have been transistorizing? couldn't we have been transistorizing? couldn't you have been transistorizing? couldn't they have been transistorizing?