I could preponderate you could preponderate she could preponderate we could preponderate you could preponderate they could preponderate
V-ing form
I could be preponderating you could be preponderating she could be preponderating we could be preponderating you could be preponderating they could be preponderating
Perfect
I could have preponderated you could have preponderated she could have preponderated we could have preponderated you could have preponderated they could have preponderated
V-ing perfect
I could have been preponderating you could have been preponderating she could have been preponderating we could have been preponderating you could have been preponderating they could have been preponderating
Negation
Simple form
I couldn't preponderate you couldn't preponderate she couldn't preponderate we couldn't preponderate you couldn't preponderate they couldn't preponderate
V-ing form
I couldn't be preponderating you couldn't be preponderating she couldn't be preponderating we couldn't be preponderating you couldn't be preponderating they couldn't be preponderating
Perfect
I couldn't have preponderated you couldn't have preponderated she couldn't have preponderated we couldn't have preponderated you couldn't have preponderated they couldn't have preponderated
V-ing perfect
I couldn't have been preponderating you couldn't have been preponderating she couldn't have been preponderating we couldn't have been preponderating you couldn't have been preponderating they couldn't have been preponderating
Interrogative form
Simple form
could I preponderate? could you preponderate? could she preponderate? could we preponderate? could you preponderate? could they preponderate?
V-ing form
could I be preponderating? could you be preponderating? could she be preponderating? could we be preponderating? could you be preponderating? could they be preponderating?
Perfect
could I have preponderated? could you have preponderated? could she have preponderated? could we have preponderated? could you have preponderated? could they have preponderated?
V-ing perfect
could I have been preponderating? could you have been preponderating? could she have been preponderating? could we have been preponderating? could you have been preponderating? could they have been preponderating?
Interro-negative form
Simple form
couldn't I preponderate? couldn't you preponderate? couldn't she preponderate? couldn't we preponderate? couldn't you preponderate? couldn't they preponderate?
V-ing form
couldn't I be preponderating? couldn't you be preponderating? couldn't she be preponderating? couldn't we be preponderating? couldn't you be preponderating? couldn't they be preponderating?
Perfect
couldn't I have preponderated? couldn't you have preponderated? couldn't she have preponderated? couldn't we have preponderated? couldn't you have preponderated? couldn't they have preponderated?
V-ing perfect
couldn't I have been preponderating? couldn't you have been preponderating? couldn't she have been preponderating? couldn't we have been preponderating? couldn't you have been preponderating? couldn't they have been preponderating?