| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [verb] [prep] [art] [adj] period | 20 |
|
| 2 | [vb -s] [vb pp] [prep] [art] [adj] period | 19 |
|
| 3 | [vb -s] [verb] [prep] [art] [adj] period | 19 |
|
| 4 | [vb -s] [verb] [prep] the [adj] period | 14 |
|
| 5 | [vb -s] [verb] [prep] a [adj] period | 8 |
|
| 6 | [vb -s] [verb] over [art] [adj] period | 7 |
|
| 7 | [vb -s] [verb] in [art] [adj] period | 7 |
|
| 8 | [vb -s] [verb] [prep] [art] post-war period | 6 |
|
| 9 | [vb -s] [verb] [prep] [art] long period | 6 |
|
| 10 | [vb -s] [verb] [prep] [art] post-war period | 6 |
|
| 11 | [vb -s] [verb] [prep] [art] long period | 6 |
|
