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