I can recycle you can recycle she can recycle we can recycle you can recycle they can recycle
V-ing form
I can be recycling you can be recycling she can be recycling we can be recycling you can be recycling they can be recycling
Perfect
I can have recycled you can have recycled she can have recycled we can have recycled you can have recycled they can have recycled
V-ing perfect
I can have been recycling you can have been recycling she can have been recycling we can have been recycling you can have been recycling they can have been recycling
Negation
Simple form
I can't recycle you can't recycle she can't recycle we can't recycle you can't recycle they can't recycle
V-ing form
I can't be recycling you can't be recycling she can't be recycling we can't be recycling you can't be recycling they can't be recycling
Perfect
I can't have recycled you can't have recycled she can't have recycled we can't have recycled you can't have recycled they can't have recycled
V-ing perfect
I can't have been recycling you can't have been recycling she can't have been recycling we can't have been recycling you can't have been recycling they can't have been recycling
Interrogative form
Simple form
can I recycle? can you recycle? can she recycle? can we recycle? can you recycle? can they recycle?
V-ing form
can I be recycling? can you be recycling? can she be recycling? can we be recycling? can you be recycling? can they be recycling?
Perfect
can I have recycled? can you have recycled? can she have recycled? can we have recycled? can you have recycled? can they have recycled?
V-ing perfect
can I have been recycling? can you have been recycling? can she have been recycling? can we have been recycling? can you have been recycling? can they have been recycling?
Interro-negative form
Simple form
can't I recycle? can't you recycle? can't she recycle? can't we recycle? can't you recycle? can't they recycle?
V-ing form
can't I be recycling? can't you be recycling? can't she be recycling? can't we be recycling? can't you be recycling? can't they be recycling?
Perfect
can't I have recycled? can't you have recycled? can't she have recycled? can't we have recycled? can't you have recycled? can't they have recycled?
V-ing perfect
can't I have been recycling? can't you have been recycling? can't she have been recycling? can't we have been recycling? can't you have been recycling? can't they have been recycling?