I can influence you can influence he can influence we can influence you can influence they can influence
V-ing form
I can be influencing you can be influencing he can be influencing we can be influencing you can be influencing they can be influencing
Perfect
I can have influenced you can have influenced he can have influenced we can have influenced you can have influenced they can have influenced
V-ing perfect
I can have been influencing you can have been influencing he can have been influencing we can have been influencing you can have been influencing they can have been influencing
Negation
Simple form
I cannot influence you cannot influence he cannot influence we cannot influence you cannot influence they cannot influence
V-ing form
I cannot be influencing you cannot be influencing he cannot be influencing we cannot be influencing you cannot be influencing they cannot be influencing
Perfect
I cannot have influenced you cannot have influenced he cannot have influenced we cannot have influenced you cannot have influenced they cannot have influenced
V-ing perfect
I cannot have been influencing you cannot have been influencing he cannot have been influencing we cannot have been influencing you cannot have been influencing they cannot have been influencing
Interrogative form
Simple form
can I influence? can you influence? can he influence? can we influence? can you influence? can they influence?
V-ing form
can I be influencing? can you be influencing? can he be influencing? can we be influencing? can you be influencing? can they be influencing?
Perfect
can I have influenced? can you have influenced? can he have influenced? can we have influenced? can you have influenced? can they have influenced?
V-ing perfect
can I have been influencing? can you have been influencing? can he have been influencing? can we have been influencing? can you have been influencing? can they have been influencing?
Interro-negative form
Simple form
can I not influence? can you not influence? can he not influence? can we not influence? can you not influence? can they not influence?
V-ing form
can I not be influencing? can you not be influencing? can he not be influencing? can we not be influencing? can you not be influencing? can they not be influencing?
Perfect
can I not have influenced? can you not have influenced? can he not have influenced? can we not have influenced? can you not have influenced? can they not have influenced?
V-ing perfect
can I not have been influencing? can you not have been influencing? can he not have been influencing? can we not have been influencing? can you not have been influencing? can they not have been influencing?