Tenses

https://dicea.chapingo.mx/wp-content/uploads/mediateca/ingles/n4/4-TENSES.pdf...

Simple present

https://dicea.chapingo.mx/wp-content/uploads/mediateca/ingles/n4/4-Simple-present.pdf...

Simple past

https://dicea.chapingo.mx/wp-content/uploads/mediateca/ingles/n4/4-Simple-past.pdf...

Questions words 1

https://dicea.chapingo.mx/wp-content/uploads/mediateca/ingles/n4/4-Questions-words-1.pdf...

Questions 2

https://dicea.chapingo.mx/wp-content/uploads/mediateca/ingles/n4/4-Questions-2.pdf...

Present Continuous

https://dicea.chapingo.mx/wp-content/uploads/mediateca/ingles/n4/4-Present-Continuous.pdf...