at the end of time

Posted 2023-04-15

1英语各个时态标志性词语或词组.如完成时的at the end of等2与……有关 be realited to 的同义词组

参考技术A 1.一般现在时用动词原形或第三人称单数形式.标志词有：every day,evry Sunday,often,always,usually,sometimes ,on Sundays,on weekdays等等.
现在进行时am/is /are+v-ing形式.标志词：now,at the moment Look!,Listen!
一般过去时用动词的过去式.标志词有：yesterday,last week ,last month,last year,two years ago.
一般将来时用will +v(原形）.标志词：tomorrow,in the future,next week ,next Sunday.
过去进行时：was/were+doing 标志词：at that moment,at this time of yesterday,at eight last night.
过去将来时：would +do 没有什么标志词,通常用在从句里.
现在完成时：have/has+动词的过分词.标志词：ever,never,since,already,yet,before.twice,once ,three times.
过去完成时：had+动词的过去分词.此时态是发生在过去的过去,就是在过去之前发生的事.通常用在从句里.有时也有标志词：by the year 2000
2应该是你打错字了吧?不知道你指的是不是：be related to,同义词组：be connected with,have something to do with ,be associated with.

LeetCode --- 1450. Number of Students Doing Homework at a Given Time 解题报告

Given two integer arrays startTime and endTime and given an integer queryTime.

The ith student started doing their homework at the time startTime[i] and finished it at time endTime[i].

Return the number of students doing their homework at time queryTime. More formally, return the number of students where queryTime lays in the interval [startTime[i], endTime[i]] inclusive.

Example 1:

Input: startTime = [1,2,3], endTime = [3,2,7], queryTime = 4
Output: 1
Explanation: We have 3 students where:
The first student started doing homework at time 1 and finished at time 3 and wasn\'t doing anything at time 4.
The second student started doing homework at time 2 and finished at time 2 and also wasn\'t doing anything at time 4.
The third studen