| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] the [num ord] century | 327 |
|
| 2 | be introduce [prep] the [num ord] [noun] | 27 |
|
| 3 | be introduce [prep] the [num ord] [noun sg] | 27 |
|
| 4 | be introduce [prep] [art] [num ord] century | 8 |
|
| 5 | be introduce [prep] the [num ord] century | 8 |
|
| 6 | be introduce [prep] [art] [num ord] century | 8 |
|
| 7 | [be] introduce [prep] the [num ord] century | 8 |
|
| 8 | be introduce [prep] the [adj] century | 8 |
|
| 9 | be introduce [prep] the [num ord] century | 8 |
|
| 10 | be introduce [prep] the [num ord] century | 8 |
|
