I can label you can label she can label we can label you can label they can label
V-ing form
I can be labelling you can be labelling she can be labelling we can be labelling you can be labelling they can be labelling
Perfect
I can have labelled you can have labelled she can have labelled we can have labelled you can have labelled they can have labelled
V-ing perfect
I can have been labelling you can have been labelling she can have been labelling we can have been labelling you can have been labelling they can have been labelling
Negation
Simple form
I can't label you can't label she can't label we can't label you can't label they can't label
V-ing form
I can't be labelling you can't be labelling she can't be labelling we can't be labelling you can't be labelling they can't be labelling
Perfect
I can't have labelled you can't have labelled she can't have labelled we can't have labelled you can't have labelled they can't have labelled
V-ing perfect
I can't have been labelling you can't have been labelling she can't have been labelling we can't have been labelling you can't have been labelling they can't have been labelling
Interrogative form
Simple form
can I label? can you label? can she label? can we label? can you label? can they label?
V-ing form
can I be labelling? can you be labelling? can she be labelling? can we be labelling? can you be labelling? can they be labelling?
Perfect
can I have labelled? can you have labelled? can she have labelled? can we have labelled? can you have labelled? can they have labelled?
V-ing perfect
can I have been labelling? can you have been labelling? can she have been labelling? can we have been labelling? can you have been labelling? can they have been labelling?
Interro-negative form
Simple form
can't I label? can't you label? can't she label? can't we label? can't you label? can't they label?
V-ing form
can't I be labelling? can't you be labelling? can't she be labelling? can't we be labelling? can't you be labelling? can't they be labelling?
Perfect
can't I have labelled? can't you have labelled? can't she have labelled? can't we have labelled? can't you have labelled? can't they have labelled?
V-ing perfect
can't I have been labelling? can't you have been labelling? can't she have been labelling? can't we have been labelling? can't you have been labelling? can't they have been labelling?