I can decompose you can decompose he can decompose we can decompose you can decompose they can decompose
V-ing form
I can be decomposing you can be decomposing he can be decomposing we can be decomposing you can be decomposing they can be decomposing
Perfect
I can have decomposed you can have decomposed he can have decomposed we can have decomposed you can have decomposed they can have decomposed
V-ing perfect
I can have been decomposing you can have been decomposing he can have been decomposing we can have been decomposing you can have been decomposing they can have been decomposing
Negation
Simple form
I can't decompose you can't decompose he can't decompose we can't decompose you can't decompose they can't decompose
V-ing form
I can't be decomposing you can't be decomposing he can't be decomposing we can't be decomposing you can't be decomposing they can't be decomposing
Perfect
I can't have decomposed you can't have decomposed he can't have decomposed we can't have decomposed you can't have decomposed they can't have decomposed
V-ing perfect
I can't have been decomposing you can't have been decomposing he can't have been decomposing we can't have been decomposing you can't have been decomposing they can't have been decomposing
Interrogative form
Simple form
can I decompose? can you decompose? can he decompose? can we decompose? can you decompose? can they decompose?
V-ing form
can I be decomposing? can you be decomposing? can he be decomposing? can we be decomposing? can you be decomposing? can they be decomposing?
Perfect
can I have decomposed? can you have decomposed? can he have decomposed? can we have decomposed? can you have decomposed? can they have decomposed?
V-ing perfect
can I have been decomposing? can you have been decomposing? can he have been decomposing? can we have been decomposing? can you have been decomposing? can they have been decomposing?
Interro-negative form
Simple form
can't I decompose? can't you decompose? can't he decompose? can't we decompose? can't you decompose? can't they decompose?
V-ing form
can't I be decomposing? can't you be decomposing? can't he be decomposing? can't we be decomposing? can't you be decomposing? can't they be decomposing?
Perfect
can't I have decomposed? can't you have decomposed? can't he have decomposed? can't we have decomposed? can't you have decomposed? can't they have decomposed?
V-ing perfect
can't I have been decomposing? can't you have been decomposing? can't he have been decomposing? can't we have been decomposing? can't you have been decomposing? can't they have been decomposing?