by this time

by this time的音标为：[baɪ ðɪs taɪm] ，中文翻译为“到这个时候”。速记技巧是：by是介词，介词后用时间点。

By this time 的英文词源是by + this time，意思是到这个时候，到目前为止。

By this time 的变化形式有过去式和过去分词两种形式。其过去式为“by this time”，过去分词为“by this time”。

相关单词有：

1. “until this time” 到目前为止，这个词组中，“until”是一个介词，表示“到...为止”。

2. “this time” 这个时候，这个词是一个副词，表示某个时间点。

3. “this period” 这个时期，这个词是一个名词，表示一段时间。

4. “this moment” 这个时刻，这个词是一个名词，表示某个特定的时间点。

5. “this stage” 这个阶段，这个词是一个名词短语，表示某个阶段或时期。

6. “this age” 这个时代，这个词是一个名词短语，表示某个特定的历史时期。

7. “this season” 这个季节，这个词是一个名词短语，表示某个季节。

8. “this interval” 这个间隔，这个词是一个名词短语，表示一段时间或空间距离。

9. “this date” 这个日期，这个词是一个名词短语，表示某个特定的日期。

10. “this era” 这个时代，这个词是一个名词短语，表示某个特定历史时期或时代。

以上这些单词都与“by this time”这个时间概念有关联，它们在英语中都有不同的用法和含义。同时，“by this time”这个时间概念也经常与“now”、“then”、“later”、“earlier”等词语一起使用，表达不同的时间顺序和语境。

常用短语：

1. by this time tomorrow

2. by this time next year

3. by this time next week

4. by the time

5. by now

6. up to now

7. until now

例句：

1. I hope to have finished my homework by this time tomorrow.

2. By the time you arrive, we will have completed the project.

3. I hope to be able to travel next week by this time.

4. We must make sure we have all the information we need by this time next week.

5. I can"t believe I"ve been here for months and still haven"t seen everything by now.

6. Up to now, we haven"t found any evidence of wrongdoing.

7. We must ensure that we are ready for any eventuality until now.

英文小作文：

If you could go back in time, where would you go and why?

If I could go back in time, I would definitely go back to my childhood. I would like to relive those carefree days when I had no worries or responsibilities and just enjoyed being a kid. I would also like to see my family and friends then, and see how they have changed and developed over the years. It would be interesting to see how our lives unfold differently at different stages of our lives, and how we adapt to different situations and challenges. Finally, I would like to see what the world was like back then, and experience firsthand the changes that have taken place over the decades. It would be a humbling experience to see how much we have progressed as a society, but also to remember where we have come from and appreciate the hard work and sacrifices that have been made to get us to where we are today.