I could analyse you could analyse she could analyse we could analyse you could analyse they could analyse
Forma con V-ing
I could be analysing you could be analysing she could be analysing we could be analysing you could be analysing they could be analysing
Perfecto
I could have analysed you could have analysed she could have analysed we could have analysed you could have analysed they could have analysed
Perfecto con V-ing
I could have been analysing you could have been analysing she could have been analysing we could have been analysing you could have been analysing they could have been analysing
Negación
Forma simple
I couldn't analyse you couldn't analyse she couldn't analyse we couldn't analyse you couldn't analyse they couldn't analyse
Forma con V-ing
I couldn't be analysing you couldn't be analysing she couldn't be analysing we couldn't be analysing you couldn't be analysing they couldn't be analysing
Perfecto
I couldn't have analysed you couldn't have analysed she couldn't have analysed we couldn't have analysed you couldn't have analysed they couldn't have analysed
Perfecto con V-ing
I couldn't have been analysing you couldn't have been analysing she couldn't have been analysing we couldn't have been analysing you couldn't have been analysing they couldn't have been analysing
Forma interrogativa
Forma simple
could I analyse? could you analyse? could she analyse? could we analyse? could you analyse? could they analyse?
Forma con V-ing
could I be analysing? could you be analysing? could she be analysing? could we be analysing? could you be analysing? could they be analysing?
Perfecto
could I have analysed? could you have analysed? could she have analysed? could we have analysed? could you have analysed? could they have analysed?
Perfecto con V-ing
could I have been analysing? could you have been analysing? could she have been analysing? could we have been analysing? could you have been analysing? could they have been analysing?
Forma interro-negativa
Forma simple
couldn't I analyse? couldn't you analyse? couldn't she analyse? couldn't we analyse? couldn't you analyse? couldn't they analyse?
Forma con V-ing
couldn't I be analysing? couldn't you be analysing? couldn't she be analysing? couldn't we be analysing? couldn't you be analysing? couldn't they be analysing?
Perfecto
couldn't I have analysed? couldn't you have analysed? couldn't she have analysed? couldn't we have analysed? couldn't you have analysed? couldn't they have analysed?
Perfecto con V-ing
couldn't I have been analysing? couldn't you have been analysing? couldn't she have been analysing? couldn't we have been analysing? couldn't you have been analysing? couldn't they have been analysing?