I can inquire you can inquire she can inquire we can inquire you can inquire they can inquire
Forma com V-ing
I can be inquiring you can be inquiring she can be inquiring we can be inquiring you can be inquiring they can be inquiring
Perfeito
I can have inquired you can have inquired she can have inquired we can have inquired you can have inquired they can have inquired
Perfeito com V-ing
I can have been inquiring you can have been inquiring she can have been inquiring we can have been inquiring you can have been inquiring they can have been inquiring
Negação
Forma simple
I cannot inquire you cannot inquire she cannot inquire we cannot inquire you cannot inquire they cannot inquire
Forma com V-ing
I cannot be inquiring you cannot be inquiring she cannot be inquiring we cannot be inquiring you cannot be inquiring they cannot be inquiring
Perfeito
I cannot have inquired you cannot have inquired she cannot have inquired we cannot have inquired you cannot have inquired they cannot have inquired
Perfeito com V-ing
I cannot have been inquiring you cannot have been inquiring she cannot have been inquiring we cannot have been inquiring you cannot have been inquiring they cannot have been inquiring
Forma interrogativa
Forma simple
can I inquire? can you inquire? can she inquire? can we inquire? can you inquire? can they inquire?
Forma com V-ing
can I be inquiring? can you be inquiring? can she be inquiring? can we be inquiring? can you be inquiring? can they be inquiring?
Perfeito
can I have inquired? can you have inquired? can she have inquired? can we have inquired? can you have inquired? can they have inquired?
Perfeito com V-ing
can I have been inquiring? can you have been inquiring? can she have been inquiring? can we have been inquiring? can you have been inquiring? can they have been inquiring?
Forma interro-Negação
Forma simple
can I not inquire? can you not inquire? can she not inquire? can we not inquire? can you not inquire? can they not inquire?
Forma com V-ing
can I not be inquiring? can you not be inquiring? can she not be inquiring? can we not be inquiring? can you not be inquiring? can they not be inquiring?
Perfeito
can I not have inquired? can you not have inquired? can she not have inquired? can we not have inquired? can you not have inquired? can they not have inquired?
Perfeito com V-ing
can I not have been inquiring? can you not have been inquiring? can she not have been inquiring? can we not have been inquiring? can you not have been inquiring? can they not have been inquiring?