[ti:All About 'About'] [by:www.21voa.com] [00:00.00]更多听力请访问21VOA.COM [00:01.92]Hello! This week on Ask a Teacher [00:04.44]we answer a question from Ygor in Brazil. [00:08.68]Hello guys! My name is Ygor and I'd like to say [00:12.36]you all are amazing, fantastic, superb, etc. [00:16.80]I just love this channel ... [00:18.80]but the preposition "about" is just killing me. [00:24.04]I can't get why sometimes people use "about" followed by "ing" [00:30.08]and sometimes followed by an infinitive. [00:34.24]Thanks a lot! --Ygor, Brazil. [00:35.32]Dear Ygor, [00:37.48]Thank you for your kind words. [00:40.76]You asked an interesting question [00:43.04]because there are several uses of about. [00:46.88]The word can be either an adverb or a preposition. [00:51.76]In some cases, it acts as an adjective. [00:55.40]Let us look at the adverb form first. [01:00.12]Adverbs describe a verb, an adjective, [01:03.64]another adverb, or a statement. [01:07.12]When we use "about" as an adverb, [01:09.76]it can mean "almost" or "nearly," as in this example: [01:14.96]We are about ready to take a walk. [01:17.84]With numbers, you can use "about" [01:21.12]when you are not sure of the exact amount. [01:24.88]We will be gone for about twenty minutes. [01:28.76]And here is the point where you will hear [01:31.52]an infinitive verb with "to" after "about" [01:35.32]when the adverb means you are very close to doing something. [01:40.52]We are about to leave for our walk. Are you coming? [01:45.60]Now, let us think about how "about" works as a preposition. [01:51.08]As you probably know, a preposition shows direction, [01:55.12]place, or time, or introduces an object. [02:00.76]Prepositions are used with a noun, pronoun, or noun phrase. [02:06.20]"About" as a preposition [02:08.44]indicates the subject of a thought, feeling or action, as in, [02:14.84]Stop shouting about the problem and do something! [02:21.16]When we add "ing" to a verb, we are making it a gerund [02:25.72]– which is a word that acts like a noun. [02:29.04]In this statement, a gerund follows "about." [02:33.56]We talked about buying a car. [02:36.04]The gerund, "buying" is the subject of what is being said. [02:42.04]Finally, we can find "about" being used as an adjective, [02:46.24]that is, to describe a noun or pronoun. [02:49.60]Here is an example of a feeling many of us have had these days: [02:55.16]After the lockdown, it feels great to be out and about again. [03:02.68]Here, "out and about" means outside of one's home. [03:07.40]I hope this helps you use "about" more confidently, Ygor. [03:12.24]What question do you have about American English? [03:15.52]Send us an email at learningenglish@voanews.com [03:21.44]And that's Ask a Teacher. [03:23.56]I'm Jill Robbins. 更多听力请访问21VOA.COM