英语一般疑问句的四种用法及其例句如下：
Be + 主语 + …？ 例句
Are these books on the desk？
Is your mother at home？
Was he here a moment ago？
Do / Does / Did + 主语 + 谓语 +…？
例句 Do you like English？ Did he pass the exam？ Does she have a computer？ Do you get up at six every morning？ 情态动词 + 主语 + 谓语 +…？
例句 Must I finish my homework now？ Dare you swim in the lake？ May I come in？ Can you explain it？ Have / Has + 主语 + 过去分词 +…？
例句
Have you heard from him？
Has he finished his homework？
Have you been living here？
Can't he drive？
这些句型在构成一般疑问句时，需要注意助动词、情态动词或be动词的正确位置，并将原陈述句的行为动词改为动词原形。在回答时，通常使用“Yes”或“No”来简短回答。