English verb conjugation
COULD DRY

Regular verb: dry - dried - dried

Affirmation

Simple form	V-ing form
I could dry you could dry he could dry we could dry you could dry they could dry	I could be drying you could be drying he could be drying we could be drying you could be drying they could be drying
Perfect	V-ing perfect
I could have dried you could have dried he could have dried we could have dried you could have dried they could have dried	I could have been drying you could have been drying he could have been drying we could have been drying you could have been drying they could have been drying

Negation

Simple form	V-ing form
I couldn't dry you couldn't dry he couldn't dry we couldn't dry you couldn't dry they couldn't dry	I couldn't be drying you couldn't be drying he couldn't be drying we couldn't be drying you couldn't be drying they couldn't be drying
Perfect	V-ing perfect
I couldn't have dried you couldn't have dried he couldn't have dried we couldn't have dried you couldn't have dried they couldn't have dried	I couldn't have been drying you couldn't have been drying he couldn't have been drying we couldn't have been drying you couldn't have been drying they couldn't have been drying

Interrogative form

Simple form	V-ing form
could I dry? could you dry? could he dry? could we dry? could you dry? could they dry?	could I be drying? could you be drying? could he be drying? could we be drying? could you be drying? could they be drying?
Perfect	V-ing perfect
could I have dried? could you have dried? could he have dried? could we have dried? could you have dried? could they have dried?	could I have been drying? could you have been drying? could he have been drying? could we have been drying? could you have been drying? could they have been drying?

Interro-negative form

Simple form	V-ing form
couldn't I dry? couldn't you dry? couldn't he dry? couldn't we dry? couldn't you dry? couldn't they dry?	couldn't I be drying? couldn't you be drying? couldn't he be drying? couldn't we be drying? couldn't you be drying? couldn't they be drying?
Perfect	V-ing perfect
couldn't I have dried? couldn't you have dried? couldn't he have dried? couldn't we have dried? couldn't you have dried? couldn't they have dried?	couldn't I have been drying? couldn't you have been drying? couldn't he have been drying? couldn't we have been drying? couldn't you have been drying? couldn't they have been drying?