Tiānqi rè le. 天气热了。 The weather has become hot. le-I-1.mp3 Change of state le 了 Essential grammar Tiānqi hěn rè. 天气很热。 The weather is hot. le-I-2.mp3 Change of state le 了 Essential grammar Jīntiān xīngqīwǔ  le. 今天星期五了。 Today is Friday (already). It has turned into Friday today. le-II-A1.1.mp3 Change of state le 了 Essential grammar Jīntiān xīngqīwǔ. 今天星期五。 Today is Friday. le-II-A1.2.mp3 Change of state le 了 Essential grammar Xiànzài yǐjīng shí yuè  le. 现在已经十月了。 It is already October now. It has already become October now. le-II-A2.1.mp3 Change of state le 了 Essential grammar Xiànzài shì shí yuè. 现在是十月。 It is October. le-II-A2.2.mp3 Change of state le 了 Essential grammar Tiānqi lěng le. 天气冷了。 The weather has become cold. le-II-B1.1.mp3 Change of state le 了 Essential grammar Tiānqi hěn lěng. 天气很冷。 The weather is cold. le-II-B1.2.mp3 Change of state le 了 Essential grammar Dōngxi dōu guì le. 东西都贵了。 Things have all become expensive. le-II-B2.1.mp3 Change of state le 了 Essential grammar Dōngxi dōu hěn guì. 东西都很贵。 Things are all expensive. le-II-B2.2.mp3 Change of state le 了 Essential grammar Tiānqi lěng le. 天气冷了。 The weather has become cold. le-II-B2.2.mp3 Change of state le 了 Essential grammar Yīnwèi hē chá duì shēntǐ hěn hǎo, suǒyǐ tā hē chá le. 因为喝茶对身体很好，所以他喝茶了。 Because drinking tea is good for one's health, now he drinks tea. le-II-C1.1.mp3 Change of state le 了 Essential grammar Yīnwèi hē chá duì shēntǐ hěn hǎo, suǒyǐ tā hē chá. 因为喝茶对身体很好，所以他喝茶。 He drinks tea because it is good for one's health. le-II-C1.2.mp3 Change of state le 了 Essential grammar Tā chī sù le, bié zuò ròu cài. 他吃素了，别做肉菜。 He has become a vegetarian now. (Lit. He now eats vegetarian food.) Don't make meat dishes. le-II-C2.1.mp3 Change of state le 了 Essential grammar Tā chī sù, bié zuò ròu cài. 他吃素，别做肉菜。 He's a vegetarian. Don't make meat dishes. le-II-C2.2.mp3 Change of state le 了 Essential grammar Tā huì kāi chē le. 他会开车了。 Now he is able to drive a car. le-II-D1.1.mp3 Change of state le 了 Essential grammar Tā huì kāi chē. 他会开车 。 He is able to drive a car. le-II-D1.2.mp3 Change of state le 了 Essential grammar Wǒ xǐhuan xué Hànzì le. 我喜欢学汉字了 。 I have taken a liking to studying Chinese characters. le-II-D2.1.mp3 Change of state le 了 Essential grammar Wǒ xǐhuan xué Hànzì. 我喜欢学汉字。 I like studying Chinese characters. le-II-D2.2.mp3 Change of state le 了 Essential grammar Xiànzài shì xiàtiān le, cài dōu piányi le. 现在是夏天了，菜都便宜了。 It's summer now, (so) vegetables have become inexpensive. le-II-E1.1.mp3 Change of state le 了 Essential grammar Xiànzài shì xiàtiān, cài dōu hěn piányi. 现在是夏天，菜都很便宜 。 It's summer now, vegetables are inexpensive. le-II-E1.2.mp3 Change of state le 了 Essential grammar Tā shì lǎoshī le. 他是老师了。 He is a teacher now. He has become a teacher now. le-II-E2.1.mp3 Change of state le 了 Essential grammar Tā shì lǎoshī. 他是老师。 He's a teacher. le-II-E2.2.mp3 Change of state le 了 Essential grammar Tāmen yǒu háizi le, méiyǒu shíjiān kàn diànshì le. 他们有孩子了，没有时间看电视了。 They have got a child now, (so) they don't have time to watch TV any more. le-II-F1.1.mp3 Change of state le 了 Essential grammar Tāmen yǒu háizi, méiyǒu shíjiān kàn diànshì. 他们有孩子，没有时间看电视 。 They have a child, (and) they don't have time to watch TV. le-II-F1.2.mp3 Change of state le 了 Essential grammar Xiànzài tāmen yǒu chē le, suǒyǐ chángcháng lái kàn wǒmen. 现在他们有车了，所以常常来看我们。 Now they've got a car, so they often come to see us. le-II-F2.1.mp3 Change of state le 了 Essential grammar Tāmen yǒu chē, suǒyǐ chángcháng lái kàn wǒmen. 他们有车，所以常常来看我们 。 They have a car, so they often come to see us. le-II-F2.2.mp3 Change of state le 了 Essential grammar Xiànzài shì chūntiān le, tiānqi bù lěng le. 现在是春天了，天气不冷了。 It's spring now, (and) the weather is not cold any longer. le-III-1.mp3 Change of state le 了 Essential grammar Tā bú zài zhèr gōngzuò le. 他不在这儿工作了。 He does not work here any more. le-III-2.mp3 Change of state le 了 Essential grammar Míngtiān wǒmen bú qù Běihǎi Gōngyuán le. 明天我们不去北海公园了。 Tomorrow we are no longer going to Beihai Park . le-III-3.mp3 Change of state le 了 Essential grammar Shān-lǐ tiānqi lěng le ma? ( ma 吗 question) 山里天气冷了吗？Has the weather become cold in the mountains? le-IV-1.mp3 Change of state le 了 Essential grammar Nǐ huì kāi chē le ma? ( ma 吗 question) 你会开车了吗？ Are you able to drive now? le-IV-2.mp3 Change of state le 了 Essential grammar Nǐ huì bú huì kāi chē le? (choice-type question) 你会不会开车了？ Are you able to drive now? le-IV-3A.mp3 Change of state le 了 Essential grammar Huì le. Hái bú huì. 会了。还不会。Yes, I am. Not yet. le-IV-3B.mp3 Change of state le 了 Essential grammar Yǐqián tā hěn pàng, xiànzài tā shòu le 以前他很胖，现在他瘦了。 Before he was fat, (but) now he has become thin. le-V-1.1.mp3 Change of state le 了 Essential grammar Yìqián tā hěn pàng, xiànzài tā hái hěn pàng. 以前他很胖，现在他还很胖。 He was fat before (and) he still is now. le-V-1.2.mp3 Change of state le 了 Essential grammar Yǐqián tā hěn xǐhuan hē jiǔ, xiànzài tā bù xǐhuan hē le. 以前他很喜欢喝酒，现在他不喜欢喝了。 Before he used to like to drink, (but) now he doesn't any more. le-V-2.1.mp3 Change of state le 了 Essential grammar Yǐqián tā hěn xǐhuan hē jiǔ, xiànzài tā hái hěn xǐhuan hē jiǔ. 以前他很喜欢喝酒，现在他还很喜欢喝酒。 Before he used to like to drink, (and) he still does now. le-V-2.2.mp3 Change of state le 了 Essential grammar Yǐqián tā xué Zhōngwén, xiànzài tā bù xué le. 以前他学中文，现在他不学了。 He used to study Chinese before, (but) now he doesn't. le-V-3.1.mp3 Change of state le 了 Essential grammar Yǐqián tā xué Zhōngwén, xiànzài tā hái xué. 以前他学中文，现在他还学。 Before he used to study Chinese, (and) he still does now. le-V-3.2.mp3 Change of state le 了 Essential grammar