I can aspire you can aspire she can aspire we can aspire you can aspire they can aspire
V-ing form
I can be aspiring you can be aspiring she can be aspiring we can be aspiring you can be aspiring they can be aspiring
Perfect
I can have aspired you can have aspired she can have aspired we can have aspired you can have aspired they can have aspired
V-ing perfect
I can have been aspiring you can have been aspiring she can have been aspiring we can have been aspiring you can have been aspiring they can have been aspiring
Negation
Simple form
I can't aspire you can't aspire she can't aspire we can't aspire you can't aspire they can't aspire
V-ing form
I can't be aspiring you can't be aspiring she can't be aspiring we can't be aspiring you can't be aspiring they can't be aspiring
Perfect
I can't have aspired you can't have aspired she can't have aspired we can't have aspired you can't have aspired they can't have aspired
V-ing perfect
I can't have been aspiring you can't have been aspiring she can't have been aspiring we can't have been aspiring you can't have been aspiring they can't have been aspiring
Interrogative form
Simple form
can I aspire? can you aspire? can she aspire? can we aspire? can you aspire? can they aspire?
V-ing form
can I be aspiring? can you be aspiring? can she be aspiring? can we be aspiring? can you be aspiring? can they be aspiring?
Perfect
can I have aspired? can you have aspired? can she have aspired? can we have aspired? can you have aspired? can they have aspired?
V-ing perfect
can I have been aspiring? can you have been aspiring? can she have been aspiring? can we have been aspiring? can you have been aspiring? can they have been aspiring?
Interro-negative form
Simple form
can't I aspire? can't you aspire? can't she aspire? can't we aspire? can't you aspire? can't they aspire?
V-ing form
can't I be aspiring? can't you be aspiring? can't she be aspiring? can't we be aspiring? can't you be aspiring? can't they be aspiring?
Perfect
can't I have aspired? can't you have aspired? can't she have aspired? can't we have aspired? can't you have aspired? can't they have aspired?
V-ing perfect
can't I have been aspiring? can't you have been aspiring? can't she have been aspiring? can't we have been aspiring? can't you have been aspiring? can't they have been aspiring?