These are all from the verb 'be'. Watch again from the beginning up to 1:30 if you need a quick recap. Look at the table below that shows the verb 'be' being used with the subjects you met earlier ...
When writing, make sure every sentence includes a verb. Want an engaging way to help your class get to grips with verbs and verb tenses? Karim and Hacker T-Dog are here to get your pupils up ...