2 sentences

1. 我从七岁起就开始组装电脑。

   wǒ cóng qī suì qǐ jiù kāi​shǐ zǔ​zhuāng diàn​nǎo.

   I've been building computers since I was seven.

   Source: OpenSubtitles

2. 我们约定，我可以在他的车库里面组装这辆车。

   wǒ​men yuē​dìng, wǒ kě​yǐ zài tā de chē​kù lǐ​miàn zǔ​zhuāng zhè liàng chē.

   We agreed that I could assemble the car in his garage.

   Source: CCMatrix