Students will watch the video about the ways how people can protect the Earth's ecosystem and practice using the modals of obligation in present tense

David Attenborough and other ecoactivists discuss the ecological issues and ways how to solve them

Endangered Species-Modals Of Obligation: Must/HaveTo/Should

endangered-species-modals-of-obligation-musthavetoshould

Let's do English ESL general grammar practice. Students will watch the video about the ways how people can protect the Earth's ecosystem and practice using the…