English verb conjugation
CAN GATHER

Regular verb: gather - gathered - gathered

Affirmation

Simple form	V-ing form
I can gather you can gather she can gather we can gather you can gather they can gather	I can be gathering you can be gathering she can be gathering we can be gathering you can be gathering they can be gathering
Perfect	V-ing perfect
I can have gathered you can have gathered she can have gathered we can have gathered you can have gathered they can have gathered	I can have been gathering you can have been gathering she can have been gathering we can have been gathering you can have been gathering they can have been gathering

Negation

Simple form	V-ing form
I can't gather you can't gather she can't gather we can't gather you can't gather they can't gather	I can't be gathering you can't be gathering she can't be gathering we can't be gathering you can't be gathering they can't be gathering
Perfect	V-ing perfect
I can't have gathered you can't have gathered she can't have gathered we can't have gathered you can't have gathered they can't have gathered	I can't have been gathering you can't have been gathering she can't have been gathering we can't have been gathering you can't have been gathering they can't have been gathering

Interrogative form

Simple form	V-ing form
can I gather? can you gather? can she gather? can we gather? can you gather? can they gather?	can I be gathering? can you be gathering? can she be gathering? can we be gathering? can you be gathering? can they be gathering?
Perfect	V-ing perfect
can I have gathered? can you have gathered? can she have gathered? can we have gathered? can you have gathered? can they have gathered?	can I have been gathering? can you have been gathering? can she have been gathering? can we have been gathering? can you have been gathering? can they have been gathering?

Interro-negative form

Simple form	V-ing form
can't I gather? can't you gather? can't she gather? can't we gather? can't you gather? can't they gather?	can't I be gathering? can't you be gathering? can't she be gathering? can't we be gathering? can't you be gathering? can't they be gathering?
Perfect	V-ing perfect
can't I have gathered? can't you have gathered? can't she have gathered? can't we have gathered? can't you have gathered? can't they have gathered?	can't I have been gathering? can't you have been gathering? can't she have been gathering? can't we have been gathering? can't you have been gathering? can't they have been gathering?