is,am,are的过去式造句

　　1 I am late today--I was late yesterday--You were late yesterday
　　2 He is in Beijing now--He was in Beijing yesterday--They were all in Beijing yesterday
　　3 The pen is on the desk--The pen was on the desk just now--The pens were on the desk just now
　　4 This is my book--It was my book,but I lost it yesterday--These were all my books.
　　5 Is the light on?--Was the light on when you left the room?--Were the lights on when you left the room?
　　She was a beautiful girl when she was young
　　This book was very popular some years ago
　　He was interested in basketball
　　It was raining yestoday
　　There was something wrong with my computer this morning
　　1 I am late today--I was late yesterday--You were late yesterday .
　　2 He is in Beijing now--He was in Beijing yesterday--They were all in Beijing yesterday .
　　3 The pen is on the desk--The pen was on the desk just now--The pens were on the desk just now .
　　4 This is my book--It was my book,but I lost it yesterday--These were all my books.
　　5 Is the light on?--Was the light on when you left the room?--Were the lights on when you left the room?
　　6 She was a beautiful girl when she was young.
　　7 This book was very popular some years ago
　　8 He was interested in basketball.
　　9 It was raining yestoday.
　　10 There was something wrong with my computer this morning.