I can decrease you can decrease he can decrease we can decrease you can decrease they can decrease
Forma com V-ing
I can be decreasing you can be decreasing he can be decreasing we can be decreasing you can be decreasing they can be decreasing
Perfeito
I can have decreased you can have decreased he can have decreased we can have decreased you can have decreased they can have decreased
Perfeito com V-ing
I can have been decreasing you can have been decreasing he can have been decreasing we can have been decreasing you can have been decreasing they can have been decreasing
Negação
Forma simple
I can't decrease you can't decrease he can't decrease we can't decrease you can't decrease they can't decrease
Forma com V-ing
I can't be decreasing you can't be decreasing he can't be decreasing we can't be decreasing you can't be decreasing they can't be decreasing
Perfeito
I can't have decreased you can't have decreased he can't have decreased we can't have decreased you can't have decreased they can't have decreased
Perfeito com V-ing
I can't have been decreasing you can't have been decreasing he can't have been decreasing we can't have been decreasing you can't have been decreasing they can't have been decreasing
Forma interrogativa
Forma simple
can I decrease? can you decrease? can he decrease? can we decrease? can you decrease? can they decrease?
Forma com V-ing
can I be decreasing? can you be decreasing? can he be decreasing? can we be decreasing? can you be decreasing? can they be decreasing?
Perfeito
can I have decreased? can you have decreased? can he have decreased? can we have decreased? can you have decreased? can they have decreased?
Perfeito com V-ing
can I have been decreasing? can you have been decreasing? can he have been decreasing? can we have been decreasing? can you have been decreasing? can they have been decreasing?
Forma interro-Negação
Forma simple
can't I decrease? can't you decrease? can't he decrease? can't we decrease? can't you decrease? can't they decrease?
Forma com V-ing
can't I be decreasing? can't you be decreasing? can't he be decreasing? can't we be decreasing? can't you be decreasing? can't they be decreasing?
Perfeito
can't I have decreased? can't you have decreased? can't he have decreased? can't we have decreased? can't you have decreased? can't they have decreased?
Perfeito com V-ing
can't I have been decreasing? can't you have been decreasing? can't he have been decreasing? can't we have been decreasing? can't you have been decreasing? can't they have been decreasing?