With a number and 次 cì (= once) you can create the meanings once, twice, three times etc.
Structure: Verb + number + 次 ci
| 我 | 去 | 过 | 两 | 次 | 中 | 国 | 。 |
| wǒ | qù | guò | liǎng | cì | zhōng | guó | _ |
| I | go | pass by | two | second | middle | country | _ |
| I, me, my | go to, pass away, remove | grammatical: particle for past, pass, cross, go over, overdo, fault | twice | China | 。 | ||
| I have gone to China twice. | |||||||