| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the [adj] [modal v] [vb infin] | 266 |
|
| 2 | [prep] the [adj] period [modal v] | 23 |
|
| 3 | [prep] [adj] period [modal v] [vb infin] | 21 |
|
| 4 | the [adj] period [modal v] [vb infin] | 12 |
|
| 5 | [prep] the period [modal v] [vb infin] | 9 |
|
