I could dandify you could dandify he could dandify we could dandify you could dandify they could dandify
V-ing form
I could be dandifying you could be dandifying he could be dandifying we could be dandifying you could be dandifying they could be dandifying
Perfect
I could have dandified you could have dandified he could have dandified we could have dandified you could have dandified they could have dandified
V-ing perfect
I could have been dandifying you could have been dandifying he could have been dandifying we could have been dandifying you could have been dandifying they could have been dandifying
Negation
Simple form
I could not dandify you could not dandify he could not dandify we could not dandify you could not dandify they could not dandify
V-ing form
I could not be dandifying you could not be dandifying he could not be dandifying we could not be dandifying you could not be dandifying they could not be dandifying
Perfect
I could not have dandified you could not have dandified he could not have dandified we could not have dandified you could not have dandified they could not have dandified
V-ing perfect
I could not have been dandifying you could not have been dandifying he could not have been dandifying we could not have been dandifying you could not have been dandifying they could not have been dandifying
Interrogative form
Simple form
could I dandify? could you dandify? could he dandify? could we dandify? could you dandify? could they dandify?
V-ing form
could I be dandifying? could you be dandifying? could he be dandifying? could we be dandifying? could you be dandifying? could they be dandifying?
Perfect
could I have dandified? could you have dandified? could he have dandified? could we have dandified? could you have dandified? could they have dandified?
V-ing perfect
could I have been dandifying? could you have been dandifying? could he have been dandifying? could we have been dandifying? could you have been dandifying? could they have been dandifying?
Interro-negative form
Simple form
could I not dandify? could you not dandify? could he not dandify? could we not dandify? could you not dandify? could they not dandify?
V-ing form
could I not be dandifying? could you not be dandifying? could he not be dandifying? could we not be dandifying? could you not be dandifying? could they not be dandifying?
Perfect
could I not have dandified? could you not have dandified? could he not have dandified? could we not have dandified? could you not have dandified? could they not have dandified?
V-ing perfect
could I not have been dandifying? could you not have been dandifying? could he not have been dandifying? could we not have been dandifying? could you not have been dandifying? could they not have been dandifying?