-
Anonymous users2024-02-15Present continuous tense:
Affirmative: he's climbing a tree.
Interrogative sentence: is he climbing a tree?
Negative sentence: he isn't climbing a tree.
Simple past tense:
Affirmative sentence: he climbed a tree
Interrogative sentence: did he climb a tree?
Negative sentence: he didn't climb a tree.
Future tense: Affirmative sentence: he's going to climb a tree.
Interrogative sentence: is he going to climb a tree?
Negative sentence: he isn't going to climb a tree.
Now Perfect Tense:
Affirmative: he's climbed a tree.
Interrogative sentence: has he climbed a tree?
Negative sentence: he hasn't climbed a tree.
-
Anonymous users2024-02-14The present perfect tense is an action or state in the past that continues to the present, and the effect on the present may continue to occur. In the English tense, "時" refers to the time when an action takes place, and "state" refers to the appearance and state of an action.
Apply in the present perfect tense1. The impact of actions that occurred in the past on the present.
2. The action or state of the past continues to the present and has been completed or is likely to continue.
3. The present perfect tense denotes the future.
-
Anonymous users2024-02-13Affirmative sentence:
1、she came to help us in those days.In those days, she came to help us.
2、i was late yesterday.Yesterday I was late.
3、when you called me.When you call me, I'm surfing the Internet.
4、i had a good holiday last year.I had a great holiday last year.
5、they were here only a few minutes ago.They were still here a few minutes ago.
Negative sentence:
1、i didn't know you like coffee.I didn't know you liked coffee.
2、we weren't late yesterday.We weren't late yesterday.
3、i was not on the internet when you called me .I'm not online when you call me.
4、they weren't able to come because they were so busy.They can't come because they're too busy.
5、i didn't know you were here.I didn't know you were here.
Question sentence:
1、did you do homework?Did you do your homework?
3、did mr li look very old?Does Mr. Lee look old?
4、could he pack his things himself?Will he be able to pack it himself?
5、when did they give the concert?When did they hold the ** meeting?
-
Anonymous users2024-02-12Affirmative Negative:
i was stayed at home yesterday.was changed to wasn't ,you were a student ten years ago.were changed to weren't
we played at playground last week.played front didn' t 。played becomes play
i cleaned my room last night.clean plus didn't in front of it't 。cleaned becomes clean
Question: Was you stayed at home yesterday?
were you a student ten years ago?
did you play at playground last week?
did you clean your room last night?
For the sake of my hard work typing, give me a reward.
The present perfect tense translated into Chinese is: present perfect >>>More
be is the present perfect tense form of be, when a sentence in the present perfect tense needs to use be as a predicate, when to use been, this is not something with special usage, it is the basic grammar that is so standard that it cannot be more standard, what else to explain?
Present Perfect Tense: (1) Emphasizing that the action is that happened in the past (2) Emphasizing the impact or result on the present (3) The action that took place in an uncertain time in the past, but the result has an impact on the present. The main embodiment is the past - the present. >>>More
As soon as I got home, I put down my schoolbag and ran to the kitchen to rummage through the cabinets to find something to eat. But after looking for a long time, I found nothing. There was no idleness downstairs, and the outpatient clinic downstairs was very busy, and I went back to my room to do my homework in disappointment. >>>More
The main difference between the present perfect tense and the simple past tense is that the present perfect tense emphasizes "the influence of what has been done in the past on the present, emphasizing the present", whereas the simple past tense talks about "what has been done in the past, emphasizing the past".