12 1. The current status is that James has arrived, emphasizing a situation that has already happened. It was not until yesterday that I realized that using the past tense did is a continuous concept; As we all know, what is generally done, translated as: what is being done, and it plays an important role and has another meaning. It emphasizes a general concept, such as shopping, shopping, cleaning and washing. Teachers usually tell us that it is a fixed match. In the sentence of "Lai", emphasize the action and state of "Lai" in a certain period of time in the past. "Lai" and "Lai" can only be said to be more appropriate and more in line with idioms. For example, "I am coming" is translated correctly: I am coming, not translated as I am coming. For example, he comes early, generally he comes early, and does not emphasize his "coming" action or this state.

122. If Jack is treated disrespectfully (he thinks others should respect him), he is likely to become grumpy and angry. If he doesn't get the respect he thinks he deserves, he will. Obviously, the subject is Jack, he was treated, so he was treated, he became bad-tempered, he was not respected, so he was not treated.

123. I didn't go to the party, but I wish I had. I didn't go to the party in the past. It's over, but now I wish I had been there. I hope it happened in the past. Remember, this is the subjunctive mood, fixed with wish/hope/would like+had do something, translated as, I hope/would rather/would like to do something. I wish I hadn't done that stupid thing. I wish I hadn't done that stupid thing. Actually, I did.