WebSep 6, 2010 · can 和be able to 都可以表示能力.can泛指一般的能力,而且只有两种形式,即:can, could.be able to 则主要指具体做到了某件事的能力,其形式主要是靠be 发生变化,所以形式比can 多.可以说:I can swim. I am able to swim. 但是不能说:All the people could escape from the big fire in time ... WebMar 27, 2015 · The simple answer is that both "could be" and "could have been" express some possibility or potential. "Could be" is used for potential future events: If I invest in …
CAN vs COULD: The Differences Between COULD vs CAN in …
WebJun 21, 2024 · Could as a past tense of Can. The verb could is, primarily, the past tense form of the word can. But it’s not just the past tense of can: it has other functions that the word can does not have, for example, in type 2 conditional sentences. She can speak Italian very well. I could swim, but I couldn’t ride a bike when I was nine years old. WebGrammar Point can / could / be able to / manage can / could / be able to / manage. Can is used to say that somebody knows how to do something:. Can you play the piano? It is also used with verbs of seeing, noticing, etc: I can hear someone calling. Can is also used with passive infinitives to talk about what it is possible to do:. The podcast can be … flower stream
Use of Can, can be, could, could be, Could have, could …
WebIn today's lesson, we're looking at CAN, COULD and BE ABLE TO. Just like other modal verbs, CAN and COULD have specific rules which can often be confusing. But don't … WebMar 29, 2014 · Speakers tend to use "can" instead of "could" when they are fairly certain about something. If you use "could be" in that sentence, you will sound less certain … Webdiff --git a/.gitignore b/.gitignore index f5f22b0..df72c90 100644 --- a/.gitignore +++ b/.gitignore @@ -6,6 +6,10 @@ # 不显示latex文件 latex/ +# 不现实压缩包文件 +*.zip +*.rar + # User-specific files *.suo *.user diff --git a/README.md b/README.md index b53fd82..c70f2e0 100644 --- a/README.md +++ b/README.md @@ -23,4 +23,10 @@ … flower street and 7th avenue