對於小學生來說，寫英語作文需要用到一些好的辭彙、句子和段落，以下是一些建議：
好詞：
1. 描述人物：active, clever, kind, polite, hard-working, outgoing, shy等。
2. 描述事物：tree, car, house, river, park, cloudy, sunny等。
3. 表達感受：happy, excited, surprised, sad, disappointed等。
4. 形容詞：new, old, big, small, beautiful, interesting等。
5. 副詞：quickly, slowly, happily, suddenly等。
好句：
1. She is a kind girl who always helps others. (她是一個善良的女孩，總是樂於助人。)
2. The sunny day made me happy. (晴朗的一天讓我感到開心。)
3. The house is big and comfortable. (房子又大又舒適。)
4. He is a hard-working boy and always gets good grades in school. (他是一個努力學習的男孩，總是在學校取得好成績。)
5. The raindrops fell from the sky and made a beautiful sound. (雨滴從天空中落下，發出美妙的聲音。)
6. I like to play football with my friends on the playground. (我喜歡在操場上和我的朋友踢足球。)
好段：
1. Today I went to the park and had a great time. The flowers were beautiful and the birds were singing. I took some photos and had a good laugh with my friends. (今天我去了公園，玩得很開心。花兒很漂亮，鳥兒在唱歌。我拍了一些照片，還和朋友們開心地笑了起來。)
2. My father bought me a new book and it is very interesting. I am reading it now and I am enjoying it very much. (我爸爸給我買了一本新書，非常有趣。我正在讀它，非常喜歡它。)
3. When I grow up, I want to be a doctor and help people who are sick. It will be a great job and I will do my best to do it well. (當我長大後，我想成為一名醫生並幫助生病的人。這將是一個很好的工作，我會盡我所能做好它。)
希望以上的內容對你有幫助，祝你寫作愉快！