How many years have you been doing it?

你学了几年汉语了？

Nǐ xué le jǐ nián hànyǔ le?

How many years have you studied Chinese?

我学了一年了。

Wǒ xué le yì nián le.

I have been studying for a year.

你教了几年汉语了？

Nǐ jiāo le jǐ nián hànyǔ le?

How many years have you taught Chinese?

我教了九年了。

Wǒ jiāo le jiǔ nián le.

I have been teaching for nine years.

你当了几年翻译了？

Nǐ dāng le jǐ nián fānyì le?

How many years have you been a translator?

我当了三年了。

Wǒ dāng le sān nián le.

I've been working for three years.

你当了几年老师了？

Nǐ dāng le jǐ nián lǎoshī le?

How many years have you been a teacher?

我当了八年了。

Wǒ dāng le bā nián le.

I've been working for eight years.

你练了几年气功了？

Nǐ liàn le jǐ nián qìgōng le?

How many years have you practiced Qigong?

我练了十八年了。

Wǒ liàn le shíbā nián le.

I have been practicing for eighteen years.

你开了几年车了？

Nǐ kāi le jǐ nián chē le?

How many years have you been driving?

我开了一年了。

Wǒ kāi le yì nián le.

I've been driving for a year.

你学了几年书法了？

Nǐ xué le jǐ nián shūfǎ le?

How many years have you studied calligraphy?

我学了半年了。

Wǒ xué le bànnián le.

I have been studying for half a year.

你坐了多长时间（的）飞机？

Nǐ zuò le duō cháng shíjiān (de) fēijī?

How long did you take the flight?

我坐了三个小时。

Wǒ zuò le sān ge xiǎoshí.

I sat there for three hours.

你学了多长时间（的）汉语？

Nǐ xué le duō cháng shíjiān (de) hànyǔ?

How long have you studied Chinese?

我学了一年多。

Wǒ xué le yì nián duō.

I studied for more than a year.

你踢了多长时间（的）足球？

Nǐ tī le duō cháng shíjiān (de) zúqiú?

How long have you been playing football?

我踢了一个下午。

Wǒ tī le yí ge xiàwǔ.

I played football all afternoon.

你练了多长时间（的）气功？

Nǐ liàn le duō cháng shíjiān (de) qìgōng?

How long have you been practicing Qigong?

我练了一个小时。

Wǒ liàn le yí ge xiǎoshí.

I practiced for an hour.

你游了多长时间（的）泳？

Nǐ yóu le duō cháng shíjiān (de) yǒng?

How long have you been swimming?

我游了一个小时。

Wǒ yóu le yí ge xiǎoshí.

I swam for an hour.

你听了多长时间（的）录音？

Nǐ tīng le duō cháng shíjiān (de) lùyīn?

How long did you listen to the recording?

我听了半个小时。

Wǒ tīng le bàn ge xiǎoshí.

I listened for half an hour.

你游泳游了多长时间？

Nǐ yóuyǒng yóu le duō cháng shíjiān?

How long have you been swimming?

我游了一个半钟头。

Wǒ yóu le yí ge bàn zhōngtóu.

I swam for an hour and a half.

你跳舞跳了多长时间？

Nǐ tiàowǔ tiào le duō cháng shíjiān?

How long have you been dancing?

我跳了两个小时。

Wǒ tiào le liǎng ge xiǎoshí.

I danced for two hours.

你看病看了多长时间？

Nǐ kànbìng kàn le duō cháng shíjiān?

How long have you been seeing a doctor?

我看了一个上午。

Wǒ kàn le yí ge shàngwǔ.

I watched it all morning.

你听录音听了多长时间？

Nǐ tīng lùyīn tīng le duō cháng shíjiān?

How long did you listen to the recording?

我听了半个小时。

Wǒ tīng le bàn ge xiǎoshí.

I listened for half an hour.

你上网上了多长时间？

Nǐ shàngwǎng shàng le duō cháng shíjiān?

How long have you been online?

我上了一个小时。

Wǒ shàng le yí ge xiǎoshí.

I was on for an hour.

你看电视看了多长时间？

Nǐ kàn diànshì kàn le duō cháng shíjiān?

How long have you watched TV?

我看了一个晚上。

Wǒ kàn le yí ge wǎnshang.

I watched it all night.

你打篮球打了多长时间？

Nǐ dǎ lánqiú dǎ le duō cháng shíjiān?

How long have you been playing basketball?

我打了一个下午。

Wǒ dǎ le yí ge xiàwǔ.

I played all afternoon.

你看了两个小时球赛吗？

Nǐ kàn le liǎng ge xiǎoshí qiúsài ma?

Did you watch the game for two hours?

没有，我只看了一会儿。

Méiyǒu, wǒ zhǐ kàn le yí huìr.

No, I only watched it for a while.

你看了一个晚上电视吗？

Nǐ kàn le yí ge wǎnshang diànshì ma?

Have you watched TV all night?

没有，我只看了半个钟头。

Méiyǒu, wǒ zhǐ kàn le bàn ge zhōngtóu.

No, I only watched it for half an hour.

你踢了一个下午足球吗？

Nǐ tī le yí ge xiàwǔ zúqiú ma?

Did you play football all afternoon?

没有，我只踢了一个小时。

Méiyǒu, wǒ zhǐ tī le yí ge xiǎoshí.

No, I only played for an hour.

你听了一个钟头音乐吗？

Nǐ tīng le yí ge zhōngtóu yīnyuè ma?

Have you listened to music for an hour?

没有，我只听了半个钟头。

Méiyǒu, wǒ zhǐ tīng le bàn ge zhōngtóu.

No, I only listened for half an hour.

你游了一个小时泳吗？

Nǐ yóu le yí ge xiǎoshí yǒng ma?

Did you swim for an hour?

没有，我只游了二十分钟。

Méiyǒu, wǒ zhǐ yóu le èrshí fēnzhōng.

No, I only swam for twenty minutes.

你做了两个小时练习吗？

Nǐ zuò le liǎng ge xiǎoshí liànxí ma?

Did you practice for two hours?

没有，我只做了一个半小时。

Méiyǒu, wǒ zhǐ zuò le yí ge bàn xiǎoshí.

No, I only did it for an hour and a half.