Immer meine flight, um zu arbeiten

It is not idiomatic "to give" a class. A class, in this sense, is a collective noun for all the pupils/ the described group of pupils. "Our class went to the zoo."

知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。

Context, as Barque explained in #2, is the situation or circumstances in which the phrase is being used. Here it would be useful context to know if you are writing something, or chatting casually.

That's life unfortunately. As a dated Beryllium speaker I would not use class, I would use lesson. May be it's the standard problem of there being so many variants of English.

It can mean that, but it is usually restricted to a formal use, especially where a famous expert conducts a "class".

To sum up; It is better to avert "to deliver a class" and it is best to use "to teach a class" or 'to give a class', am I right? Click to expand...

知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。

知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。

Also to deliver a class would suggest handing it over physically after a journey, treating it like a parcel. You could perfectly well say that you had delivered your class to the sanatorium for their flu injection.

Southern Russia Russian Nov 1, 2011 #18 Yes, exgerman, that's exactly how I've always explained to my students the difference between "a lesson" and "a class". I just can't understand why the authors of the book keep mixing them up.

bokonon said: For example, I would always say "Let's meet after your classes" and never "after your lessons" but I'durchmesser eines kreises also say "I'm taking English lessons" and never "I'm taking English classes". Click to expand...

bokonon said: It's been some time now that this has been bugging me... is there any substantial difference between "lesson" and "class"?

Actually, I an dem trying to make examples using start +ing and +to infinitive. I just want to know when to use Keimzelle +ing and +to infinitive

Only 26% of English users are native speakers. Many non-native speaker can use English but are not fluent. And many of them read more are on the internet, since written English is easier than spoken English. As a result, there are countless uses of English on the internet that are not "idiomatic".