First Conditional

Videos:

https://www.youtube.com/watch?v=vnbkT2yx-6g

https://www.youtube.com/watch?v=9ifCM8kJFKI

https://www.youtube.com/watch?v=J7EQd2RfT38

Time clauses:

When

Video:

https://www.youtube.com/watch?v=E4OkbPN4z7o

Until / Till

Videos:

https://www.youtube.com/watch?v=tHt2aqzUtYI

https://www.youtube.com/watch?v=94HXq8B3zlg

https://www.youtube.com/watch?v=oZtvtdkq644

https://www.youtube.com/watch?v=u0l9fxe5TNs