Coloring book by Claire Saint Michael Exploring the City
https://continuingstudies.uvic.ca/elc/studyzone/330/grammar/0cond
https://continuingstudies.uvic.ca/elc/studyzone/330/grammar/0cond1
https://continuingstudies.uvic.ca/elc/studyzone/330/grammar/1cond
https://continuingstudies.uvic.ca/elc/studyzone/330/grammar/1cond1
https://continuingstudies.uvic.ca/elc/studyzone/330/grammar/1cond2
https://speakspeak.com/english-grammar-exercises/intermediate/first-versus-second-conditional-2
https://speakspeak.com/english-grammar-exercises/upper-intermediate/third-conditional
