Correct: I am, you are, he is, Mary is, She is, we are, they are, Bob is, it is, cat is, dog is, Olga is, Mum is, Dad is, dogs are, cats are, Incorrect: I is, he are, they is, she are, we is, we am, I are, he am, they am, she am, it are, it am, you am, you is, cats is, dogs is,

to be (16 sent) #my_teaching_stuff

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