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