could total
Regular verb: total - totalled- totalled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could total
you could total
she could total
we could total
you could total
they could total 	I could be totalling
you could be totalling
she could be totalling
we could be totalling
you could be totalling
they could be totalling	I could have totalled
you could have totalled
she could have totalled
we could have totalled
you could have totalled
they could have totalled	I could have been totalling
you could have been totalling
she could have been totalling
we could have been totalling
you could have been totalling
they could have been totalling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't total
you couldn't total
she couldn't total
we couldn't total
you couldn't total
they couldn't total 	I couldn't be totalling
you couldn't be totalling
she couldn't be totalling
we couldn't be totalling
you couldn't be totalling
they couldn't be totalling	I couldn't have totalled
you couldn't have totalled
she couldn't have totalled
we couldn't have totalled
you couldn't have totalled
they couldn't have totalled	I couldn't have been totalling
you couldn't have been totalling
she couldn't have been totalling
we couldn't have been totalling
you couldn't have been totalling
they couldn't have been totalling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I total?
could you total?
could she total?
could we total?
could you total?
could they total? 	could I be totalling?
could you be totalling?
could she be totalling?
could we be totalling?
could you be totalling?
could they be totalling? 	could I have totalled?
could you have totalled?
could she have totalled?
could we have totalled?
could you have totalled?
could they have totalled? 	could I have been totalling?
could you have been totalling?
could she have been totalling?
could we have been totalling?
could you have been totalling?
could they have been totalling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I total?
couldn't you total?
couldn't she total?
couldn't we total?
couldn't you total?
couldn't they total? 	couldn't I be totalling?
couldn't you be totalling?
couldn't she be totalling?
couldn't we be totalling?
couldn't you be totalling?
couldn't they be totalling? 	couldn't I have totalled?
couldn't you have totalled?
couldn't she have totalled?
couldn't we have totalled?
couldn't you have totalled?
couldn't they have totalled? 	couldn't I have been totalling?
couldn't you have been totalling?
couldn't she have been totalling?
couldn't we have been totalling?
couldn't you have been totalling?
couldn't they have been totalling?