时态表有过去式
1 某人有：have/has的过去式：had,例如Lily had a cat last year.丽丽去年有一只猫.
We had a lot of beautiful flowers last year.我们去年有许多漂亮的花儿.
2 某地有/某时有：
there is的过去式：there was （单数）
例如There was a dog in front of the house yesterday.昨天这个房子前面有一只狗.
there are 的过去式：there were（复数）
例如There were many ducks on the lake last week.
上周湖面上有许多鸭子.