In this unit we have studied the past simple.
REMEMBER: you have to add "-ED" to the verb (regular verbs)
For example: played worked climbed jumped
(En Inglés el pasado de los verbos regulares es muy fácil porque es la misma forma para todos los sujetos: "I jumped, you jumped, he jumped, ....")
Here you are some links to practice.
1st website 2nd website 3rd website
4th website 5th website 6th website
7th website (click the numbers)
Here you are some links to practice the negative and the interrogative forms too.