| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] the [adj] [prep] | 972 |
|
| 2 | [prep] the [adj] period [prep] | 656 |
|
| 3 | [vb pp] [prep] the [adj] period | 280 |
|
| 4 | [vb pp] [prep] [adj] period [prep] | 118 |
|
| 5 | [vb pp] [prep] the period [prep] | 112 |
|
| 6 | [vb pp] the [adj] period [prep] | 5 |
|
