PRESENT AND FUTURE TENSES

SIMPLE PRESENT vs PRESENT CONTINUOUS

Watch the video and then do the following exercise:

Exercise

PRESENT PERFECT vs PRESENT PERFECT CONTINUOUS

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Exarcise

PRESENT CONTINUOUS vs PRESENT PERFECT CONTINUOUS

Watch the video and then do the following exercise
Exercise

FUTURE SIMPLE vs GOING TO

Watch the video and then do the exercise that follows:

Exercise

Here's a very nice idea to master the use of the Present Continuous for the future and a set of exercises to work with:
Exercises

GOING TO vs PRESENT CONTINUOUS

Watch the video and then do the exercise that follows:

Exercise

FUTURE CONTINUOUS vs FUTURE PERFECT vs FUTURE PERFECT CONTINUOUS 

Watch the video and then do the exercise that follows:

Exercise