English verb conjugation
CAN PREDRILL

Regular verb: predrill - predrilled - predrilled

Affirmation

Simple form	V-ing form
I can predrill you can predrill she can predrill we can predrill you can predrill they can predrill	I can be predrilling you can be predrilling she can be predrilling we can be predrilling you can be predrilling they can be predrilling
Perfect	V-ing perfect
I can have predrilled you can have predrilled she can have predrilled we can have predrilled you can have predrilled they can have predrilled	I can have been predrilling you can have been predrilling she can have been predrilling we can have been predrilling you can have been predrilling they can have been predrilling

Negation

Simple form	V-ing form
I can't predrill you can't predrill she can't predrill we can't predrill you can't predrill they can't predrill	I can't be predrilling you can't be predrilling she can't be predrilling we can't be predrilling you can't be predrilling they can't be predrilling
Perfect	V-ing perfect
I can't have predrilled you can't have predrilled she can't have predrilled we can't have predrilled you can't have predrilled they can't have predrilled	I can't have been predrilling you can't have been predrilling she can't have been predrilling we can't have been predrilling you can't have been predrilling they can't have been predrilling

Interrogative form

Simple form	V-ing form
can I predrill? can you predrill? can she predrill? can we predrill? can you predrill? can they predrill?	can I be predrilling? can you be predrilling? can she be predrilling? can we be predrilling? can you be predrilling? can they be predrilling?
Perfect	V-ing perfect
can I have predrilled? can you have predrilled? can she have predrilled? can we have predrilled? can you have predrilled? can they have predrilled?	can I have been predrilling? can you have been predrilling? can she have been predrilling? can we have been predrilling? can you have been predrilling? can they have been predrilling?

Interro-negative form

Simple form	V-ing form
can't I predrill? can't you predrill? can't she predrill? can't we predrill? can't you predrill? can't they predrill?	can't I be predrilling? can't you be predrilling? can't she be predrilling? can't we be predrilling? can't you be predrilling? can't they be predrilling?
Perfect	V-ing perfect
can't I have predrilled? can't you have predrilled? can't she have predrilled? can't we have predrilled? can't you have predrilled? can't they have predrilled?	can't I have been predrilling? can't you have been predrilling? can't she have been predrilling? can't we have been predrilling? can't you have been predrilling? can't they have been predrilling?