- I don't understand the mathematics lesson.
- She does not know that you are calling her.
- They do not agree with the us.
- We don't like to wait for another hour.
- You don't understand what I just said, do you?
- Don't we have to study this part?
- Doesn't he know that his mother is looking for him?
- It doesn't fall if you push it.
Did
Did merupakan bentuk verb 2 dari do dan does. Ini artinya, kata did digunakan pada kalimat dengan keterangan waktu lampau atau sudah terjadi.
Jika do dan does hanya digunakan pada subjek tertentu pada kalimat, maka berbeda dengan did.