Hi, I have to change some sentences in English class to the past tense. Can you help me with that?
user
Yes, I’ll be happy to help with that.  Your teacher asked you to change one sentence to the past tense?
assistant
Hi, I have to change some sentences in English class to the past tense. Can you help me with that?
user
Yes of course, let me show you how I do it.
assistant
Hi, I have to change some sentences in English class to the past tense. Can you help me with that?