| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] several years | 144 |
|
| 2 | had [prep] [adj] years | 46 |
|
| 3 | [vb past] [prep] several years | 24 |
|
| 4 | had [prep] several [noun pl] | 14 |
|
| 5 | had [prep] several [noun] | 14 |
|
| 6 | have [prep] several years | 11 |
|
| 7 | had [prep] several year | 6 |
|
