数字1到12在英语中分别是：

1 - one
2 - two
3 - three
4 - four
5 - five
6 - six
7 - seven
8 - eight
9 - nine
10 - ten
11 - eleven
12 - twelve

这些数字的英语读法来源于古代英语，并经过演变保留到现在。

下面是一些英文例句及其中文翻译：

I have twelve apples. (我有12个苹果。)
She is eleven years old. (她11岁。)
There are ten fingers on my hands. (我的手上有10个手指。)
He has nine cats. (他有9只猫。)
She has eight brothers and sisters. (她有8个兄弟姐妹。)
There are seven days in a week. (一周有7天。)
He has six cars. (他有6辆车。)
She has five children. (她有5个孩子。)
There are four seasons in a year. (一年有4个季节。)
He has three dogs. (他有3条狗。)
She has two parents. (她有2个父母。)
There is one sun in our solar system. (我们的太阳系中只有一个太阳。)