English verb conjugation
CAN HARNESS

Regular verb: harness - harnessed - harnessed

Affirmation

Simple form	V-ing form
I can harness you can harness he can harness we can harness you can harness they can harness	I can be harnessing you can be harnessing he can be harnessing we can be harnessing you can be harnessing they can be harnessing
Perfect	V-ing perfect
I can have harnessed you can have harnessed he can have harnessed we can have harnessed you can have harnessed they can have harnessed	I can have been harnessing you can have been harnessing he can have been harnessing we can have been harnessing you can have been harnessing they can have been harnessing

Negation

Simple form	V-ing form
I can't harness you can't harness he can't harness we can't harness you can't harness they can't harness	I can't be harnessing you can't be harnessing he can't be harnessing we can't be harnessing you can't be harnessing they can't be harnessing
Perfect	V-ing perfect
I can't have harnessed you can't have harnessed he can't have harnessed we can't have harnessed you can't have harnessed they can't have harnessed	I can't have been harnessing you can't have been harnessing he can't have been harnessing we can't have been harnessing you can't have been harnessing they can't have been harnessing

Interrogative form

Simple form	V-ing form
can I harness? can you harness? can he harness? can we harness? can you harness? can they harness?	can I be harnessing? can you be harnessing? can he be harnessing? can we be harnessing? can you be harnessing? can they be harnessing?
Perfect	V-ing perfect
can I have harnessed? can you have harnessed? can he have harnessed? can we have harnessed? can you have harnessed? can they have harnessed?	can I have been harnessing? can you have been harnessing? can he have been harnessing? can we have been harnessing? can you have been harnessing? can they have been harnessing?

Interro-negative form

Simple form	V-ing form
can't I harness? can't you harness? can't he harness? can't we harness? can't you harness? can't they harness?	can't I be harnessing? can't you be harnessing? can't he be harnessing? can't we be harnessing? can't you be harnessing? can't they be harnessing?
Perfect	V-ing perfect
can't I have harnessed? can't you have harnessed? can't he have harnessed? can't we have harnessed? can't you have harnessed? can't they have harnessed?	can't I have been harnessing? can't you have been harnessing? can't he have been harnessing? can't we have been harnessing? can't you have been harnessing? can't they have been harnessing?