新概念英语第一册77课有哪些时态

Question

NURSE: Good morning. Mr. Croft.
MR. CROFT: Good morning, nurse. I was to see the dentist, please.
NURSE: Do you have an appointment?
MR. CROFT: No, I don't.
NURSE: Is it urgent?
MR. CROFT: Yes, it is. It's very urgent. I feel awful. I have a terrible toothache.
NURSE: Can you come at 10 a.m.on Monday, April 24th?
MR. CROFT: I must see the dentist now, nurse.
NURSE: The dentist is very busy at the moment. Can you come at 2 p.m.?
MR. CROFT: That's very late. Can the dentist see me now?
NURSE: I'm afraid that he can't, Mr. Croft. Can't you wait till this afternoon?
MR. CROFT: I can wait, but my toothache can't!

Answer 1

Terrible toothache Nurse: Good morning, MrCroft.
Mr Croft: Good morning, nurse.
I want to see the dentist, please.
Nurse: Have you an appointment?
Mr Croft: No, I haven't .
Nurse: Is it urgent?
Mr Croft: Yes, it is .
It's very urgent.
I feel awful.
I have a terrible toothache.
Nurse: Can you come at 10 am on Monday,April 24th?
Mr Croft: I must see the dentist now,nurse.
Nurse: The dentist is very busy at themoment.
Can you come at 2:00 PM?
Mr Croft: That's very late.
Can't the dentist see me now?
Nurse: I'm afraid that he can't , Mr Croft.
Can't you wait till this afternoon?
Mr Croft: I can wait, but my toothachecan't !

是这一篇课文吧？里面只有一般现在时一种时态哦，里面情态动词用的比较多，另外还涉及到情态动词、实意动词和系动词的一般疑问句及其肯定和否定回答。

Answer 2

只有一般现在时和一般过去时