I can locate you can locate he can locate we can locate you can locate they can locate
V-ing form
I can be locating you can be locating he can be locating we can be locating you can be locating they can be locating
Perfect
I can have located you can have located he can have located we can have located you can have located they can have located
V-ing perfect
I can have been locating you can have been locating he can have been locating we can have been locating you can have been locating they can have been locating
Negation
Simple form
I can't locate you can't locate he can't locate we can't locate you can't locate they can't locate
V-ing form
I can't be locating you can't be locating he can't be locating we can't be locating you can't be locating they can't be locating
Perfect
I can't have located you can't have located he can't have located we can't have located you can't have located they can't have located
V-ing perfect
I can't have been locating you can't have been locating he can't have been locating we can't have been locating you can't have been locating they can't have been locating
Interrogative form
Simple form
can I locate? can you locate? can he locate? can we locate? can you locate? can they locate?
V-ing form
can I be locating? can you be locating? can he be locating? can we be locating? can you be locating? can they be locating?
Perfect
can I have located? can you have located? can he have located? can we have located? can you have located? can they have located?
V-ing perfect
can I have been locating? can you have been locating? can he have been locating? can we have been locating? can you have been locating? can they have been locating?
Interro-negative form
Simple form
can't I locate? can't you locate? can't he locate? can't we locate? can't you locate? can't they locate?
V-ing form
can't I be locating? can't you be locating? can't he be locating? can't we be locating? can't you be locating? can't they be locating?
Perfect
can't I have located? can't you have located? can't he have located? can't we have located? can't you have located? can't they have located?
V-ing perfect
can't I have been locating? can't you have been locating? can't he have been locating? can't we have been locating? can't you have been locating? can't they have been locating?