Unit 3 I‘m more outgoing than my sister. Section A 1a-2d 课件+素材 both ◆ both，“两个；两个都”。在句中可作主语、宾语、定语和同位语。 如： Both of them like popular songs. I don’t know which skirt is better; I’ll buy both. They both have a model plane.
◆ both ... and ... 意为“既…又…；…和…”，连接两个并列成分。 当连接两个并列主语时，谓语动词用复数形式。 如： Kate was both happy and sorry to see her. Both she and I are middle school students.
