Just a quick example of what the students learned from the short sentence This is us:
- This: this/that – these/those
- is: to be (present simple) I am, you are, he/she/it is, we are, you are, they are
- us: pronouns: I, me, my, you, your, he, him, his, she, her, it, its, we, us, our, they, them, their
Writing is great, isn’t it!? You can just sneak the grammar in there, without anybody noticing.