If you want to learn about Past Simple and Past Continuous, please click on this image: 

Want to practice more? Click on these links.

For present simple and present continuous: 

http://www.englisch-hilfen.de/en/exercises/tenses/simple_present_progressive.htm

http://www.e-grammar.org/present-simple-continuous/test1-exercise1/

Want to play a past tense game? Click below:

http://www.english-online.org.uk/games/pasttense.htm

Another irregular interactive game:

http://www.eslgamesplus.com/past-simple-irregular-verbs-esl-grammar-interactive-activity-online/

Click on this image to practice punctuation. Your writing won't be good if you don't learn how to use the speech marks, commas, full-stops, and the other punctuation marks.

Practice your pronouns and have fun at the same time. Click on these pictures and play pronoun games!

All the best!