I can risk you can risk she can risk we can risk you can risk they can risk
V-ing form
I can be risking you can be risking she can be risking we can be risking you can be risking they can be risking
Perfect
I can have risked you can have risked she can have risked we can have risked you can have risked they can have risked
V-ing perfect
I can have been risking you can have been risking she can have been risking we can have been risking you can have been risking they can have been risking
Negation
Simple form
I can't risk you can't risk she can't risk we can't risk you can't risk they can't risk
V-ing form
I can't be risking you can't be risking she can't be risking we can't be risking you can't be risking they can't be risking
Perfect
I can't have risked you can't have risked she can't have risked we can't have risked you can't have risked they can't have risked
V-ing perfect
I can't have been risking you can't have been risking she can't have been risking we can't have been risking you can't have been risking they can't have been risking
Interrogative form
Simple form
can I risk? can you risk? can she risk? can we risk? can you risk? can they risk?
V-ing form
can I be risking? can you be risking? can she be risking? can we be risking? can you be risking? can they be risking?
Perfect
can I have risked? can you have risked? can she have risked? can we have risked? can you have risked? can they have risked?
V-ing perfect
can I have been risking? can you have been risking? can she have been risking? can we have been risking? can you have been risking? can they have been risking?
Interro-negative form
Simple form
can't I risk? can't you risk? can't she risk? can't we risk? can't you risk? can't they risk?
V-ing form
can't I be risking? can't you be risking? can't she be risking? can't we be risking? can't you be risking? can't they be risking?
Perfect
can't I have risked? can't you have risked? can't she have risked? can't we have risked? can't you have risked? can't they have risked?
V-ing perfect
can't I have been risking? can't you have been risking? can't she have been risking? can't we have been risking? can't you have been risking? can't they have been risking?