I: If he will jump, you will not have to.
II: If he will jump, he can win.
III: If he will jump, he may win.
IV: If he will jump, you must follow.
V: If he will jump, you dare not follow.
VI: If he will jump, you need not follow.
VII: If he would escape, let him find help.
VIII: If he would escape, he will find help.
IX: If he would escape, he shall find help.
X: If he would escape, he should find help.
XI: If he would escape, he would find help.