English verb conjugation
CAN UNLOAD

Regular verb: unload - unloaded - unloaded

Affirmation

Simple form	V-ing form
I can unload you can unload she can unload we can unload you can unload they can unload	I can be unloading you can be unloading she can be unloading we can be unloading you can be unloading they can be unloading
Perfect	V-ing perfect
I can have unloaded you can have unloaded she can have unloaded we can have unloaded you can have unloaded they can have unloaded	I can have been unloading you can have been unloading she can have been unloading we can have been unloading you can have been unloading they can have been unloading

Negation

Simple form	V-ing form
I cannot unload you cannot unload she cannot unload we cannot unload you cannot unload they cannot unload	I cannot be unloading you cannot be unloading she cannot be unloading we cannot be unloading you cannot be unloading they cannot be unloading
Perfect	V-ing perfect
I cannot have unloaded you cannot have unloaded she cannot have unloaded we cannot have unloaded you cannot have unloaded they cannot have unloaded	I cannot have been unloading you cannot have been unloading she cannot have been unloading we cannot have been unloading you cannot have been unloading they cannot have been unloading

Interrogative form

Simple form	V-ing form
can I unload? can you unload? can she unload? can we unload? can you unload? can they unload?	can I be unloading? can you be unloading? can she be unloading? can we be unloading? can you be unloading? can they be unloading?
Perfect	V-ing perfect
can I have unloaded? can you have unloaded? can she have unloaded? can we have unloaded? can you have unloaded? can they have unloaded?	can I have been unloading? can you have been unloading? can she have been unloading? can we have been unloading? can you have been unloading? can they have been unloading?

Interro-negative form

Simple form	V-ing form
can I not unload? can you not unload? can she not unload? can we not unload? can you not unload? can they not unload?	can I not be unloading? can you not be unloading? can she not be unloading? can we not be unloading? can you not be unloading? can they not be unloading?
Perfect	V-ing perfect
can I not have unloaded? can you not have unloaded? can she not have unloaded? can we not have unloaded? can you not have unloaded? can they not have unloaded?	can I not have been unloading? can you not have been unloading? can she not have been unloading? can we not have been unloading? can you not have been unloading? can they not have been unloading?