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