Sentence Composition
| 1 | 昨天 | zuótiān | yesterday |
| 2 | 東京 | Dōngjīng |
|
| =3 | 是 | shì |
|
| =3 | 是 | shì | variant of 是 shì |
| 4 | 陰天 | yīntiān | cloudy day; overcast sky |
| =5 | 嗎 | má | (coll.) what? |
| =5 | 嗎 | mǎ | used in 吗啡 mǎfēi |
| =5 | 嗎 | ma | (question particle for "yes-no" questions) |