Watch the clip which shows you the beginning of the film. Grug thinks the family should stay in the cave because it is too dangerous to go outside. Eep thinks it is boring being in the cave and wants to go outside more.
After watching the clip, think about whether the Croods should go outside the cave or not. Give 3 reasons why you think they should go out of the cave and 3 reasons you think it would be better to stay inside.
You could use the sentence structure, I think… because