1. 你这个星期六有空吗?

[ nǐ zhè gè xīng qī liù yǒu kōng ma ? ]

Are you free this Saturday?

2. 你明晚有空吗?

[ nǐ míng wǎn yǒu kōng ma ? ]

Will you be free tomorrow evening?

3. 阳光闪烁，天空湛蓝。

[ yáng guāng shǎn shuò ， tiān kōng zhàn lán 。 ]

The sun was shining and the sky was crystal clear.

4. 我正在用真空吸尘器清理地板，还有好几件衬衫要熨。

[ wǒ zhèng zài yòng zhēn kōng xī chén qì qīng lǐ dì bǎn ， hái yǒu hǎo jǐ jiàn chèn shān yào yùn 。 ]

l am vacuuming the floor now and have several shirts to iron.