I will haven you will haven he will haven we will haven you will haven they will haven
V-ing form
I will be havening you will be havening he will be havening we will be havening you will be havening they will be havening
Perfect
I will have havened you will have havened he will have havened we will have havened you will have havened they will have havened
V-ing perfect
I will have been havening you will have been havening he will have been havening we will have been havening you will have been havening they will have been havening
Negation
Simple form
I will not haven you will not haven he will not haven we will not haven you will not haven they will not haven
V-ing form
I will not be havening you will not be havening he will not be havening we will not be havening you will not be havening they will not be havening
Perfect
I will not have havened you will not have havened he will not have havened we will not have havened you will not have havened they will not have havened
V-ing perfect
I will not have been havening you will not have been havening he will not have been havening we will not have been havening you will not have been havening they will not have been havening
Interrogative form
Simple form
will I haven? will you haven? will he haven? will we haven? will you haven? will they haven?
V-ing form
will I be havening? will you be havening? will he be havening? will we be havening? will you be havening? will they be havening?
Perfect
will I have havened? will you have havened? will he have havened? will we have havened? will you have havened? will they have havened?
V-ing perfect
will I have been havening? will you have been havening? will he have been havening? will we have been havening? will you have been havening? will they have been havening?
Interro-negative form
Simple form
will I not haven? will you not haven? will he not haven? will we not haven? will you not haven? will they not haven?
V-ing form
will I not be havening? will you not be havening? will he not be havening? will we not be havening? will you not be havening? will they not be havening?
Perfect
will I not have havened? will you not have havened? will he not have havened? will we not have havened? will you not have havened? will they not have havened?
V-ing perfect
will I not have been havening? will you not have been havening? will he not have been havening? will we not have been havening? will you not have been havening? will they not have been havening?