UNIT 6: OUR PLANET

Appropriate Tips

Additional Resources. Explanation regarding Modal verbs. OVA. Video 1

 The past simple is used to describe completed actions at a specific time in the past. It's formed by adding '-ed' to regular verbs or using specific irregular forms: https://www.youtube.com/watch?v=_facQiZDrU4&list=PL0MvnNQjMzmbT19jEPA18aypjjde_zyo4&index=3

Additional Resources. Explanation regarding Modal verbs. OVA. Video 2

Modal verbs are auxiliary verbs expressing ability, possibility, permission, obligation, or advice. Common examples include "can", "could", "may", "might", "must", "shall", "should", "will", and "would". Fuente: https://www.youtube.com/watch?v=nfeNTf5wgOc