I can backload you can backload he can backload we can backload you can backload they can backload
V-ing form
I can be backloading you can be backloading he can be backloading we can be backloading you can be backloading they can be backloading
Perfect
I can have backloaded you can have backloaded he can have backloaded we can have backloaded you can have backloaded they can have backloaded
V-ing perfect
I can have been backloading you can have been backloading he can have been backloading we can have been backloading you can have been backloading they can have been backloading
Negation
Simple form
I can't backload you can't backload he can't backload we can't backload you can't backload they can't backload
V-ing form
I can't be backloading you can't be backloading he can't be backloading we can't be backloading you can't be backloading they can't be backloading
Perfect
I can't have backloaded you can't have backloaded he can't have backloaded we can't have backloaded you can't have backloaded they can't have backloaded
V-ing perfect
I can't have been backloading you can't have been backloading he can't have been backloading we can't have been backloading you can't have been backloading they can't have been backloading
Interrogative form
Simple form
can I backload? can you backload? can he backload? can we backload? can you backload? can they backload?
V-ing form
can I be backloading? can you be backloading? can he be backloading? can we be backloading? can you be backloading? can they be backloading?
Perfect
can I have backloaded? can you have backloaded? can he have backloaded? can we have backloaded? can you have backloaded? can they have backloaded?
V-ing perfect
can I have been backloading? can you have been backloading? can he have been backloading? can we have been backloading? can you have been backloading? can they have been backloading?
Interro-negative form
Simple form
can't I backload? can't you backload? can't he backload? can't we backload? can't you backload? can't they backload?
V-ing form
can't I be backloading? can't you be backloading? can't he be backloading? can't we be backloading? can't you be backloading? can't they be backloading?
Perfect
can't I have backloaded? can't you have backloaded? can't he have backloaded? can't we have backloaded? can't you have backloaded? can't they have backloaded?
V-ing perfect
can't I have been backloading? can't you have been backloading? can't he have been backloading? can't we have been backloading? can't you have been backloading? can't they have been backloading?