I will strengthen you will strengthen she will strengthen we will strengthen you will strengthen they will strengthen
V-ing form
I will be strengthening you will be strengthening she will be strengthening we will be strengthening you will be strengthening they will be strengthening
Perfect
I will have strengthened you will have strengthened she will have strengthened we will have strengthened you will have strengthened they will have strengthened
V-ing perfect
I will have been strengthening you will have been strengthening she will have been strengthening we will have been strengthening you will have been strengthening they will have been strengthening
Negation
Simple form
I will not strengthen you will not strengthen she will not strengthen we will not strengthen you will not strengthen they will not strengthen
V-ing form
I will not be strengthening you will not be strengthening she will not be strengthening we will not be strengthening you will not be strengthening they will not be strengthening
Perfect
I will not have strengthened you will not have strengthened she will not have strengthened we will not have strengthened you will not have strengthened they will not have strengthened
V-ing perfect
I will not have been strengthening you will not have been strengthening she will not have been strengthening we will not have been strengthening you will not have been strengthening they will not have been strengthening
Interrogative form
Simple form
will I strengthen? will you strengthen? will she strengthen? will we strengthen? will you strengthen? will they strengthen?
V-ing form
will I be strengthening? will you be strengthening? will she be strengthening? will we be strengthening? will you be strengthening? will they be strengthening?
Perfect
will I have strengthened? will you have strengthened? will she have strengthened? will we have strengthened? will you have strengthened? will they have strengthened?
V-ing perfect
will I have been strengthening? will you have been strengthening? will she have been strengthening? will we have been strengthening? will you have been strengthening? will they have been strengthening?
Interro-negative form
Simple form
will I not strengthen? will you not strengthen? will she not strengthen? will we not strengthen? will you not strengthen? will they not strengthen?
V-ing form
will I not be strengthening? will you not be strengthening? will she not be strengthening? will we not be strengthening? will you not be strengthening? will they not be strengthening?
Perfect
will I not have strengthened? will you not have strengthened? will she not have strengthened? will we not have strengthened? will you not have strengthened? will they not have strengthened?
V-ing perfect
will I not have been strengthening? will you not have been strengthening? will she not have been strengthening? will we not have been strengthening? will you not have been strengthening? will they not have been strengthening?