| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know for [noun] | 124 |
|
| 2 | [verb] for century | 117 |
|
| 3 | know for century | 8 |
|
| 4 | know [prep] century | 8 |
|
| 5 | know [prep] century | 8 |
|
