| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] period [verb] [prep] | 18 |
|
| 2 | [prep] a [adj] period [verb] [prep] | 18 |
|
| 3 | for a [adj] period [verb] [prep] | 7 |
|
| 4 | for a [adj] period [verb] [prep] | 7 |
|
| 5 | a [adj] period [be] [verb] [prep] | 10 |
|
| 6 | a [adj] period be [verb] [prep] | 10 |
|
| 7 | a [adj] period [prep] [verb] [prep] | 6 |
|
| 8 | a [adj] period [prep] [verb] [prep] | 6 |
|
| 9 | a [adj] period [conj] [verb] [prep] | 5 |
|
| 10 | a [adj] period [verb] [prep] [art] | 10 |
|
| 11 | a [adj] period [verb] [prep] [art] | 10 |
|
| 12 | a [adj] period [verb] [prep] the | 9 |
|
| 13 | a [adj] period [verb] [prep] the | 9 |
|
| 14 | a [adj] period [verb] [prep] [noun] | 7 |
|
| 15 | a [adj] period [verb] [prep] [adj] | 5 |
|
