| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] [art] long [noun] | 97 |
|
| 2 | [verb] [prep] [art] long period | 96 |
|
| 3 | [to-vb] [prep] [art] long [noun sg] | 93 |
|
| 4 | [to-vb] [prep] [art] [adj] period | 52 |
|
| 5 | [to-vb] [prep] [art] long period | 7 |
|
