| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [be] [vb pp] [prep] period | 11 |
|
| 2 | [modal v] [be] [vb pp] [prep] period | 11 |
|
| 3 | [be] [vb pp] [prep] [art] period | 91 |
|
| 4 | [be] [vb pp] [prep] [art] period | 91 |
|
| 5 | [be] [vb pp] [prep] a period | 61 |
|
| 6 | [be] [vb pp] [prep] a period | 61 |
|
| 7 | [be] [vb pp] [prep] [adj] period | 52 |
|
| 8 | [be] [vb pp] [prep] the period | 29 |
|
| 9 | [be] [vb pp] [prep] the period | 29 |
|
| 10 | [be] [vb pp] [prep] [adj] period | 26 |
|
| 11 | [be] [vb pp] [prep] long period | 15 |
|
| 12 | [be] [vb pp] [prep] [det] period | 13 |
|
| 13 | [be] [vb pp] [prep] long period | 10 |
|
| 14 | [be] [vb pp] [prep] this period | 8 |
|
| 15 | [be] [vb pp] [prep] this period | 8 |
|
| 16 | [be] [vb pp] [prep] [adj -er] period | 7 |
|
| 17 | [be] [vb pp] [prep] [num] period | 6 |
|
| 18 | [be] [vb pp] [prep] longer period | 5 |
|
| 19 | [be] [vb pp] [prep] period [prep] | 13 |
|
| 20 | [be] [vb pp] [prep] period [prep] | 13 |
|
| 21 | [be] [vb pp] [prep] period of | 7 |
|
| 22 | [be] [vb pp] [prep] period of | 7 |
|
