Here is an extensive list of videos and exercises online that can help you to use conditional sentences more accurately.
I hope they are useful!
♠ GRAMMAR VIDEOS: 3rd and MIXED CONDITIONALS
THIRD CONDITIONAL
The 3rd conditional: What is it? How to use it! – English In A Minute – YouTube BBC Learning English
English Language Grammar – Conditionals: The Third Conditional – YouTube English Language Grammar
MIXED CONDITIONALS
Mixed conditionals – English In A Minute – YouTube BBC Learning English
♠ ONLINE GRAMMAR PRACTICE: 3rd and MIXED CONDITIONALS
THIRD CONDITIONAL
- From Perfect English Grammar:
The Third Conditional (perfect-english-grammar.com) – explanations
Third Conditional Exercise 1 (perfect-english-grammar.com)
Conditionals Exercise (perfect-english-grammar.com)
- From Test English:
Test English – Prepare for your English exam (test-english.com) 2nd & 3rd conditional explanation
Test English – Prepare for your English exam (test-english.com) 2nd & 3rd conditional exercises
- From Agendaweb (exhaustive list of webpages you can consult to do more exercises):
Third conditional exercises – Conditional sentences type III (agendaweb.org)
MIXED CONDITIONALS
- From Test English:
Test English – Prepare for your English exam (test-english.com) explanations
Test English – Prepare for your English exam (test-english.com) exercises
- From examenenglish:
