a baseballa watchan ID card a computer gamea notebooka ringa keyWhat are they?a dictionarya pencil boxpencilserasers schoolbagsdictionariesbaseballsringsID cardswatchesnotebookscomputer gamespencil boxes rulesThis is a pencil.That is (That’s) an eraser.These are (These’re) baseballs.Those are (Those’re) watches.A: What’s this/that?B: It’s a/an …A: What are (What’re) these/those?B: They are (They’re) ...A: Is this/that a/an…?B: Yes, it is. /No, it isn’t.A: Are these/those …s?B: Yes, they are. /No, they aren’t.单数变复数this --- these that --- thoseis --- arehe/she/it --- they名词后边加s/es: boy---boys girl---girls物主代词my/your/his/her不与冠词a/an并用。1.This is my brother.These are my brothers.2. Is that your sister?Are those your sisters?3. She is my friend.They are my friends.将下列单数句子改成复数4. The girl isn’t my classmate.The girls aren’t my classmates.1. These are my rings. 肯定回答Are these your rings? Yes, they are.将下列句子改成一般疑问句，并做相应回答。2. Those are her friends. 否定回答Are those her friends? No, they aren’t.3. They are Mike’s family photos. 肯定回答Are they Mike’s family photos? Yes, they |
