English verb conjugation
CAN WINDROW

Regular verb: windrow - windrowed - windrowed

Affirmation

Simple form	V-ing form
I can windrow you can windrow he can windrow we can windrow you can windrow they can windrow	I can be windrowing you can be windrowing he can be windrowing we can be windrowing you can be windrowing they can be windrowing
Perfect	V-ing perfect
I can have windrowed you can have windrowed he can have windrowed we can have windrowed you can have windrowed they can have windrowed	I can have been windrowing you can have been windrowing he can have been windrowing we can have been windrowing you can have been windrowing they can have been windrowing

Negation

Simple form	V-ing form
I can't windrow you can't windrow he can't windrow we can't windrow you can't windrow they can't windrow	I can't be windrowing you can't be windrowing he can't be windrowing we can't be windrowing you can't be windrowing they can't be windrowing
Perfect	V-ing perfect
I can't have windrowed you can't have windrowed he can't have windrowed we can't have windrowed you can't have windrowed they can't have windrowed	I can't have been windrowing you can't have been windrowing he can't have been windrowing we can't have been windrowing you can't have been windrowing they can't have been windrowing

Interrogative form

Simple form	V-ing form
can I windrow? can you windrow? can he windrow? can we windrow? can you windrow? can they windrow?	can I be windrowing? can you be windrowing? can he be windrowing? can we be windrowing? can you be windrowing? can they be windrowing?
Perfect	V-ing perfect
can I have windrowed? can you have windrowed? can he have windrowed? can we have windrowed? can you have windrowed? can they have windrowed?	can I have been windrowing? can you have been windrowing? can he have been windrowing? can we have been windrowing? can you have been windrowing? can they have been windrowing?

Interro-negative form

Simple form	V-ing form
can't I windrow? can't you windrow? can't he windrow? can't we windrow? can't you windrow? can't they windrow?	can't I be windrowing? can't you be windrowing? can't he be windrowing? can't we be windrowing? can't you be windrowing? can't they be windrowing?
Perfect	V-ing perfect
can't I have windrowed? can't you have windrowed? can't he have windrowed? can't we have windrowed? can't you have windrowed? can't they have windrowed?	can't I have been windrowing? can't you have been windrowing? can't he have been windrowing? can't we have been windrowing? can't you have been windrowing? can't they have been windrowing?