| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | since at least the [adj] century | 5 |
|
| 2 | since at least the [num ord] [noun] | 5 |
|
| 3 | since at least the [adj] century | 5 |
|
| 4 | since at least the [adj] [noun sg] | 5 |
|
