在小学英语中进行家庭介绍，可以采用以下步骤和句型：

开场白：

Hello everyone, my name is [你的名字]. I'd like to introduce my family to you today.

介绍家庭成员：

父母：

This is my father, [父亲的名字]. He is a [父亲的职业]，and he is very [形容词描述父亲] and [形容词描述父亲] person.

This is my mother, [母亲的名字]. She is a [母亲的职业]，and she is known for being [形容词描述母亲] and [形容词描述母亲].

兄弟姐妹（如果有）：

This is my brother/sister, [兄弟姐妹的名字]. He/She is [兄弟姐妹的年龄] years old and is in [年级] grade. He/She is very [形容词描述兄弟姐妹] and likes [兴趣爱好].

宠物（如果有）：

This is our pet, [宠物的名字]. He/She is a [宠物的种类]，and we love to [宠物喜欢做的事情].

家庭关系：

My father and mother are married, and they have been together for [年数] years.

We have a close family, and we all love to spend time together.

结束语：

That's all about my family. I hope you enjoyed learning about them as much as I did.

以下是一些实用的英语句型和词汇：

My name is...

This is...

He/She is a...

She is known for being...

He/She is very...

We all love to...

We have a close family...

通过这样的介绍，可以让同学们更好地了解你的家庭，同时也能够练习英语口语表达能力。