English verb conjugation
COULD ESCALADE

Regular verb: escalade - escaladed - escaladed

Affirmation

Simple form	V-ing form
I could escalade you could escalade he could escalade we could escalade you could escalade they could escalade	I could be escalading you could be escalading he could be escalading we could be escalading you could be escalading they could be escalading
Perfect	V-ing perfect
I could have escaladed you could have escaladed he could have escaladed we could have escaladed you could have escaladed they could have escaladed	I could have been escalading you could have been escalading he could have been escalading we could have been escalading you could have been escalading they could have been escalading

Negation

Simple form	V-ing form
I couldn't escalade you couldn't escalade he couldn't escalade we couldn't escalade you couldn't escalade they couldn't escalade	I couldn't be escalading you couldn't be escalading he couldn't be escalading we couldn't be escalading you couldn't be escalading they couldn't be escalading
Perfect	V-ing perfect
I couldn't have escaladed you couldn't have escaladed he couldn't have escaladed we couldn't have escaladed you couldn't have escaladed they couldn't have escaladed	I couldn't have been escalading you couldn't have been escalading he couldn't have been escalading we couldn't have been escalading you couldn't have been escalading they couldn't have been escalading

Interrogative form

Simple form	V-ing form
could I escalade? could you escalade? could he escalade? could we escalade? could you escalade? could they escalade?	could I be escalading? could you be escalading? could he be escalading? could we be escalading? could you be escalading? could they be escalading?
Perfect	V-ing perfect
could I have escaladed? could you have escaladed? could he have escaladed? could we have escaladed? could you have escaladed? could they have escaladed?	could I have been escalading? could you have been escalading? could he have been escalading? could we have been escalading? could you have been escalading? could they have been escalading?

Interro-negative form

Simple form	V-ing form
couldn't I escalade? couldn't you escalade? couldn't he escalade? couldn't we escalade? couldn't you escalade? couldn't they escalade?	couldn't I be escalading? couldn't you be escalading? couldn't he be escalading? couldn't we be escalading? couldn't you be escalading? couldn't they be escalading?
Perfect	V-ing perfect
couldn't I have escaladed? couldn't you have escaladed? couldn't he have escaladed? couldn't we have escaladed? couldn't you have escaladed? couldn't they have escaladed?	couldn't I have been escalading? couldn't you have been escalading? couldn't he have been escalading? couldn't we have been escalading? couldn't you have been escalading? couldn't they have been escalading?