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