I can perch you can perch she can perch we can perch you can perch they can perch
Forma com V-ing
I can be perching you can be perching she can be perching we can be perching you can be perching they can be perching
Perfeito
I can have perched you can have perched she can have perched we can have perched you can have perched they can have perched
Perfeito com V-ing
I can have been perching you can have been perching she can have been perching we can have been perching you can have been perching they can have been perching
Negação
Forma simple
I cannot perch you cannot perch she cannot perch we cannot perch you cannot perch they cannot perch
Forma com V-ing
I cannot be perching you cannot be perching she cannot be perching we cannot be perching you cannot be perching they cannot be perching
Perfeito
I cannot have perched you cannot have perched she cannot have perched we cannot have perched you cannot have perched they cannot have perched
Perfeito com V-ing
I cannot have been perching you cannot have been perching she cannot have been perching we cannot have been perching you cannot have been perching they cannot have been perching
Forma interrogativa
Forma simple
can I perch? can you perch? can she perch? can we perch? can you perch? can they perch?
Forma com V-ing
can I be perching? can you be perching? can she be perching? can we be perching? can you be perching? can they be perching?
Perfeito
can I have perched? can you have perched? can she have perched? can we have perched? can you have perched? can they have perched?
Perfeito com V-ing
can I have been perching? can you have been perching? can she have been perching? can we have been perching? can you have been perching? can they have been perching?
Forma interro-Negação
Forma simple
can I not perch? can you not perch? can she not perch? can we not perch? can you not perch? can they not perch?
Forma com V-ing
can I not be perching? can you not be perching? can she not be perching? can we not be perching? can you not be perching? can they not be perching?
Perfeito
can I not have perched? can you not have perched? can she not have perched? can we not have perched? can you not have perched? can they not have perched?
Perfeito com V-ing
can I not have been perching? can you not have been perching? can she not have been perching? can we not have been perching? can you not have been perching? can they not have been perching?