| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] the twentieth century | 77 |
|
| 2 | [verb] [prep] the twentieth century | 73 |
|
| 3 | [verb] [adv] [prep] the century | 39 |
|
| 4 | [verb] [adv] [prep] the twentieth | 20 |
|
