1. ask about sth (sb) 询问有关某人或某事的情况。如:
She asked about his health. 她询问他的健康状况。
Can I ask about the exam results? 我可以问问考试结果吗?
2. ask after sb 问候某人(的健康)。如:
They all ask after you. 他们都问候你(的健康)。
3. ask for sth 要求得到某物或要求与某人见面。如:
He asked for some water. 他要些水。
A Mr Smith is asking for the manager. 一位名叫史密斯先生的人要找经理。
4. ask sb for sth向某人要某物或请某人给某物。如:
They asked me for help. 他们向我求助。
He asked her for her address. 他向她要她的地址。
5. ask to do sth要求或请求做某事。如:
He asked to see the manager. 他求见经理。
He asked to see whoever was in charge. 他要求见负责人。
He asked to go alone. 他要求一个人去。
6. ask sb to do sth 请或叫某人做某事。如:
Ask John to mail these letters tomorrow. 叫约翰明天把这几封们寄了。
He asked us to wait for him at the gate. 他叫我们在门口等他。