| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [verb] [prep] the [num ord] century | 6 |
|
| 2 | of [v-ing] [prep] the [num ord] century | 6 |
|
| 3 | of [verb] [prep] the [num ord] century | 6 |
|
| 4 | of [verb] in the [num ord] century | 5 |
|
