UNIT 10 ABOVE AND BEYOND

HAD BETTER

https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-83712.php
https://www.focus.olsztyn.pl/en-had-better-exercises.html
https://www.ecenglish.com/learnenglish/lessons/should-had-better

WOULD RATHER/ PREFER TO DO/DOING 

https://speakspeak.com/english-grammar-exercises/intermediate/would-rather-would-prefer-prefer
http://www.learnenglish-online.com/grammar/tests/ratherprefer.html
https://www.englishexercises.org/makeagame/viewgame.asp?id=5494
https://www.englishexercises.org/makeagame/viewgame.asp?id=9897
https://www.ecenglish.com/learnenglish/talking-about-preferences-using-prefer-better-and-would-rather
http://www.autoenglish.org/gr.better.i.htm

IT'S TIME 

https://test-english.com/grammar-points/b2/unreal-uses-past-tenses/
https://www.esl-lounge.com/student/grammar/3g29-its-time.php
https://www.tolearnenglish.com/exercises/exercise-english-2/exercise-english-79020.php

COMPARATIVES