| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun] [vb mod] | 1956 |
|
| 2 | [prep] a [adj] [noun sg] [vb mod] | 1883 |
|
| 3 | [prep] [art] [adj] period [vb mod] | 43 |
|
| 4 | [prep] [art] [adj] period [vb mod] | 43 |
|
| 5 | [prep] a [adj] period [vb mod] | 20 |
|
| 6 | [prep] a [adj] period [vb mod] | 19 |
|
| 7 | [prep] a [adj] period [vb mod] | 19 |
|
| 8 | [prep] a [adj] period [modal v] | 19 |
|
