I can connect you can connect she can connect we can connect you can connect they can connect
V-ing form
I can be connecting you can be connecting she can be connecting we can be connecting you can be connecting they can be connecting
Perfect
I can have connected you can have connected she can have connected we can have connected you can have connected they can have connected
V-ing perfect
I can have been connecting you can have been connecting she can have been connecting we can have been connecting you can have been connecting they can have been connecting
Negation
Simple form
I cannot connect you cannot connect she cannot connect we cannot connect you cannot connect they cannot connect
V-ing form
I cannot be connecting you cannot be connecting she cannot be connecting we cannot be connecting you cannot be connecting they cannot be connecting
Perfect
I cannot have connected you cannot have connected she cannot have connected we cannot have connected you cannot have connected they cannot have connected
V-ing perfect
I cannot have been connecting you cannot have been connecting she cannot have been connecting we cannot have been connecting you cannot have been connecting they cannot have been connecting
Interrogative form
Simple form
can I connect? can you connect? can she connect? can we connect? can you connect? can they connect?
V-ing form
can I be connecting? can you be connecting? can she be connecting? can we be connecting? can you be connecting? can they be connecting?
Perfect
can I have connected? can you have connected? can she have connected? can we have connected? can you have connected? can they have connected?
V-ing perfect
can I have been connecting? can you have been connecting? can she have been connecting? can we have been connecting? can you have been connecting? can they have been connecting?
Interro-negative form
Simple form
can I not connect? can you not connect? can she not connect? can we not connect? can you not connect? can they not connect?
V-ing form
can I not be connecting? can you not be connecting? can she not be connecting? can we not be connecting? can you not be connecting? can they not be connecting?
Perfect
can I not have connected? can you not have connected? can she not have connected? can we not have connected? can you not have connected? can they not have connected?
V-ing perfect
can I not have been connecting? can you not have been connecting? can she not have been connecting? can we not have been connecting? can you not have been connecting? can they not have been connecting?