I could aspire you could aspire he could aspire we could aspire you could aspire they could aspire
V-ing form
I could be aspiring you could be aspiring he could be aspiring we could be aspiring you could be aspiring they could be aspiring
Perfect
I could have aspired you could have aspired he could have aspired we could have aspired you could have aspired they could have aspired
V-ing perfect
I could have been aspiring you could have been aspiring he could have been aspiring we could have been aspiring you could have been aspiring they could have been aspiring
Negation
Simple form
I could not aspire you could not aspire he could not aspire we could not aspire you could not aspire they could not aspire
V-ing form
I could not be aspiring you could not be aspiring he could not be aspiring we could not be aspiring you could not be aspiring they could not be aspiring
Perfect
I could not have aspired you could not have aspired he could not have aspired we could not have aspired you could not have aspired they could not have aspired
V-ing perfect
I could not have been aspiring you could not have been aspiring he could not have been aspiring we could not have been aspiring you could not have been aspiring they could not have been aspiring
Interrogative form
Simple form
could I aspire? could you aspire? could he aspire? could we aspire? could you aspire? could they aspire?
V-ing form
could I be aspiring? could you be aspiring? could he be aspiring? could we be aspiring? could you be aspiring? could they be aspiring?
Perfect
could I have aspired? could you have aspired? could he have aspired? could we have aspired? could you have aspired? could they have aspired?
V-ing perfect
could I have been aspiring? could you have been aspiring? could he have been aspiring? could we have been aspiring? could you have been aspiring? could they have been aspiring?
Interro-negative form
Simple form
could I not aspire? could you not aspire? could he not aspire? could we not aspire? could you not aspire? could they not aspire?
V-ing form
could I not be aspiring? could you not be aspiring? could he not be aspiring? could we not be aspiring? could you not be aspiring? could they not be aspiring?
Perfect
could I not have aspired? could you not have aspired? could he not have aspired? could we not have aspired? could you not have aspired? could they not have aspired?
V-ing perfect
could I not have been aspiring? could you not have been aspiring? could he not have been aspiring? could we not have been aspiring? could you not have been aspiring? could they not have been aspiring?