| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for several year | 124 |
|
| 2 | [vb base] for [adj] year | 100 |
|
| 3 | [vb base] for [det] year | 52 |
|
| 4 | [vb base] for several [noun] | 22 |
|
| 5 | [vb base] [prep] several year | 7 |
|
| 6 | [vb base] [prep] several year | 7 |
|
| 7 | [vb base] for several year | 6 |
|
| 8 | [vb base] for several year | 6 |
|
