Grammar

• Tenses in English, Statements – Exercise 1 

• Tenses in English, Statements – Exercise 2 

• Error text: Present – Past 

Ejercicios con cambios de tiempos verbales:

• Past → Past Continuous – Exercise 

• Present → Present Perfect – Exercise 

• Present Continuous → Simple Present – Exercise 1 

• Present Continuous → Simple Present – Exercise 2 

• Present Continuous → Simple Present – Negation – Exercise 

• Present Continuous → Simple Present – Questions – Exercise 

• Simple Past → Simple Present – Exercise 1 

• Simple Past → Simple Present – Exercise 2 

• Simple Past → Simple Present – Negation – Exercise 

• Simple Past → Simple Present – Questions – Exercise 

• Simple Present → Present Continuous – Exercise 1 

• Simple Present → Present Continuous – Exercise 2 

• Simple Present → Present Continuous – Negation – Exercise 

• Simple Present → Present Continuous – Questions – Exercise 

• Simple Present → Simple Past – Exercise 1 

• Simple Present → Simple Past – Exercise 2 

• Simple Present → Simple Past – Negation of verbs – Exercise 1 

• Simple Present → Simple Past – Negation of verbs – Exercise 2 

• Simple Present → Simple Past – Questions – Exercise 1 

• Simple Present → Simple Past – Questions – Exercise 2 

Tests

• English Tenses – Complex Test (Simple Present, Present Continuous, Simple Past, Present Perfect, will/going to-future) 

• Simple Past – Present Perfect – Complex Test 

• 50 Question Level Test- Beginner  

• 50 Question Level Test- Intermediate

• 50 Question Level Test- Advanced