I have broken down - Wǒ yǐjīng bēngkuì
Where is the police station? - Nǎlǐ shì pàichūsuǒ?
I have a flat tyre - Wǒ yǒu yīgè lúntāi lòu qì
I have been in an accident - Wǒ yīzhí zài fāshēng shìgù
Where is? - zài nǎlǐ?
Where can I buy petrol? - Wǒ zài nǎlǐ kěyǐ mǎi dào qìyóu?