Sentence Composition
| 1 | 汤姆 | Tāngmǔ | Tom (name) |
| 2 | 住 | zhù |
|
| 3 | 在 | zài |
|
| 4 | 波士顿 | Bōshìdùn | Boston, capital of Massachusetts |
| =5 | 吗 | má | (coll.) what? |
| =5 | 吗 | mǎ | used in 嗎啡 mǎfēi |
| =5 | 吗 | ma | (question particle for "yes-no" questions) |