I could analyse you could analyse he could analyse we could analyse you could analyse they could analyse
V-ing form
I could be analysing you could be analysing he could be analysing we could be analysing you could be analysing they could be analysing
Perfect
I could have analysed you could have analysed he could have analysed we could have analysed you could have analysed they could have analysed
V-ing perfect
I could have been analysing you could have been analysing he could have been analysing we could have been analysing you could have been analysing they could have been analysing
Negation
Simple form
I could not analyse you could not analyse he could not analyse we could not analyse you could not analyse they could not analyse
V-ing form
I could not be analysing you could not be analysing he could not be analysing we could not be analysing you could not be analysing they could not be analysing
Perfect
I could not have analysed you could not have analysed he could not have analysed we could not have analysed you could not have analysed they could not have analysed
V-ing perfect
I could not have been analysing you could not have been analysing he could not have been analysing we could not have been analysing you could not have been analysing they could not have been analysing
Interrogative form
Simple form
could I analyse? could you analyse? could he analyse? could we analyse? could you analyse? could they analyse?
V-ing form
could I be analysing? could you be analysing? could he be analysing? could we be analysing? could you be analysing? could they be analysing?
Perfect
could I have analysed? could you have analysed? could he have analysed? could we have analysed? could you have analysed? could they have analysed?
V-ing perfect
could I have been analysing? could you have been analysing? could he have been analysing? could we have been analysing? could you have been analysing? could they have been analysing?
Interro-negative form
Simple form
could I not analyse? could you not analyse? could he not analyse? could we not analyse? could you not analyse? could they not analyse?
V-ing form
could I not be analysing? could you not be analysing? could he not be analysing? could we not be analysing? could you not be analysing? could they not be analysing?
Perfect
could I not have analysed? could you not have analysed? could he not have analysed? could we not have analysed? could you not have analysed? could they not have analysed?
V-ing perfect
could I not have been analysing? could you not have been analysing? could he not have been analysing? could we not have been analysing? could you not have been analysing? could they not have been analysing?