| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [num] year period | 42 |
|
| 2 | [det] [num] year period | 20 |
|
| 3 | this [num] year [noun] | 19 |
|
| 4 | this [num] [noun] period | 9 |
|
| 5 | this [num] [noun sg] period | 9 |
|
| 6 | this [adj] year period | 6 |
|
| 7 | this [num] year period | 6 |
|
| 8 | this [num] year period | 6 |
|
