‌河北小升初考试英语作文的常见主题包括描述个人计划、介绍朋友和家庭等。‌

1. ‌个人计划‌：例如，描述自己的暑假计划，可以包括去哪里旅行、参加的活动等。例如，可以写：“Summer holiday is coming. I am going to Beijing with my parents. We will go there by plane. It's famous for the places of interest. We will visit the Palace Museum and the Great Wall. We will take lots of pictures there. We will eat Beijing Duck. I believe we will have a good time there.”‌
2. ‌介绍朋友和家庭‌：例如，可以写：“My best friend is John. He is ten. He has small eyes and big ears. He is cool. Sometimes he is active. He likes summer best, because he likes swimming very much. He often plays football with his classmates on the weekend.”‌

1. ‌时态使用‌：在写作过程中，注意使用正确的时态。例如，使用一般现在时描述现状，使用过去时描述过去的事件。
2. ‌代词使用‌：确保代词的使用正确，如主格、宾格和所有格代词的使用要准确。
3. ‌条理清晰‌：文章要有条理，可以使用时间词语衔接，如“Last Sunday”、“Last Weekend”等来组织文章结构。
4. ‌前后呼应‌：总起句和结尾句要前后呼应，确保文章的连贯性。
5. ‌避免语法错误‌：避免出现语法错误，如“I was went to the park last Sunday”应改为“I went to the park last Sunday”。

通过掌握这些写作技巧和注意事项，可以帮助你在河北小升初考试中写出高质量的英语作文。