Could you tell me if these are correct sentences?<br/><br/>1. His jokes are too quirky for me to understand.<br/>1-1. His jokes are so quirky that I don't understand them.<br/><br/>2. His jokes are too sophisticated for me to understand.<br/>2-1. His jokes are so sophisticated that I don't understand them.<br/><br/>3. His jokes have too many twists for me to understand.<br/>3-1. His jokes have so many twists that I don't understand them.