I can issue you can issue she can issue we can issue you can issue they can issue
V-ing form
I can be issuing you can be issuing she can be issuing we can be issuing you can be issuing they can be issuing
Perfect
I can have issued you can have issued she can have issued we can have issued you can have issued they can have issued
V-ing perfect
I can have been issuing you can have been issuing she can have been issuing we can have been issuing you can have been issuing they can have been issuing
Negation
Simple form
I cannot issue you cannot issue she cannot issue we cannot issue you cannot issue they cannot issue
V-ing form
I cannot be issuing you cannot be issuing she cannot be issuing we cannot be issuing you cannot be issuing they cannot be issuing
Perfect
I cannot have issued you cannot have issued she cannot have issued we cannot have issued you cannot have issued they cannot have issued
V-ing perfect
I cannot have been issuing you cannot have been issuing she cannot have been issuing we cannot have been issuing you cannot have been issuing they cannot have been issuing
Interrogative form
Simple form
can I issue? can you issue? can she issue? can we issue? can you issue? can they issue?
V-ing form
can I be issuing? can you be issuing? can she be issuing? can we be issuing? can you be issuing? can they be issuing?
Perfect
can I have issued? can you have issued? can she have issued? can we have issued? can you have issued? can they have issued?
V-ing perfect
can I have been issuing? can you have been issuing? can she have been issuing? can we have been issuing? can you have been issuing? can they have been issuing?
Interro-negative form
Simple form
can I not issue? can you not issue? can she not issue? can we not issue? can you not issue? can they not issue?
V-ing form
can I not be issuing? can you not be issuing? can she not be issuing? can we not be issuing? can you not be issuing? can they not be issuing?
Perfect
can I not have issued? can you not have issued? can she not have issued? can we not have issued? can you not have issued? can they not have issued?
V-ing perfect
can I not have been issuing? can you not have been issuing? can she not have been issuing? can we not have been issuing? can you not have been issuing? can they not have been issuing?