PRESENT PERFECT SIMPLE AND PRESENT PERFECT CONTINUOUS

If you still have problems with these two similar tenses have a look at this video.

INFINITIVES AND GERUNDS.

This entry will provide you with some practice on the use of infinitives and gerunds. 

Have a look to this video where they explain when to use infinitives and gerunds. Besides, you can practice listening at the same time.   

Thess are good exercises to start practicing with the most common verbs followed by gerunds or infinitives. 

exercise                exercise                exercise

If you still need more practice, here you have some more exercises. 

exercise                      exercise                       exercise                          exercise                   exercise                        exercise                 

You can also practice listening HERE.