| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] [art] period | 71 |
|
| 2 | [vb infin] [prep] a period | 39 |
|
| 3 | [vb infin] [prep] a period | 39 |
|
| 4 | [vb infin] [prep] the period | 32 |
|
| 5 | [vb infin] [prep] the period | 32 |
|
| 6 | [vb infin] for [art] period | 19 |
|
| 7 | [vb infin] to [art] period | 11 |
|
| 8 | [vb infin] in [art] period | 9 |
|
| 9 | [vb infin] during [art] period | 6 |
|
| 10 | continue [prep] [art] period | 6 |
|
| 11 | [vb infin] through [art] period | 5 |
|
