did and do
We use do when the subject is I, you, we or they.
Does she like sport? Yes, she does.
- To add emphasis to an entire sentence: “He does like spinach. He really does!”
- To add emphasis to an imperative: ” Do come in.” (actually softens the command)
- To add emphasis to a frequency adverb: “He never did understand his father.” “She always does manage to hurt her mother’s feelings.”
- To contradict a negative statement: “You didn’t do your homework, did you?” “Oh, but I did finish it.”
- To ask a clarifying question about a previous negative statement: “Ridwell didn’t take the tools.” “Then who did take the tools?”
- To indicate a strong concession: “Although the Clintons denied any wrong-doing, they did return some of the gifts.”
In the absence of other modal auxiliaries, a form of do is used in question and negative constructions known as the get passive:
The word DO appears a lot in English.
To make a negative sentence in English we normally use Don’t or Doesn’t in the present sentence.
- I do my laundry on Saturdays.
(Chores is the housework you need to do like washing the dishes, doing the vacuuming, etc.)
He does not ___
They didn’t have any money last week. (past tense negative.)