ZERO AND FIRST CONDITIONAL

ZERO CONDITIONAL
https://elt.oup.com/student/solutions1stedition/preint_unit_page/unit6/grammar/exercise2?cc=cz&selLanguage=cs

http://www.learnenglish-online.com/grammar/tests/zeroconditional.html

http://www.englishgrammarsecrets.com/type0/exercise1.swf

http://www.englishgrammarsecrets.com/type0/exercise2.swf


FIRST CONDITIONAL
http://www.perfect-english-grammar.com/first-conditional-exercise-1.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=3226

http://www.learnenglish-online.com/grammar/tests/1stconditional.html