| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] [prep] several years | 25 |
|
| 2 | [prep] [noun prp] [prep] several years | 25 |
|
| 3 | in [noun prp] [prep] several years | 17 |
|
| 4 | in [noun prp] [prep] several years | 17 |
|
| 5 | [noun] [noun prp] [prep] several years | 8 |
|
| 6 | [noun prp] [noun prp] [prep] several years | 7 |
|
| 7 | [art] [noun prp] [prep] several years | 6 |
|
| 8 | [art] [noun prp] [prep] several years | 6 |
|
| 9 | the [noun prp] [prep] several years | 5 |
|
| 10 | the [noun prp] [prep] several years | 5 |
|
| 11 | [noun prp] [noun] [prep] several years | 16 |
|
| 12 | [noun prp] [noun prp] [prep] several years | 7 |
|
| 13 | [noun prp] [noun sg] [prep] several years | 6 |
|
| 14 | [noun prp] [prep] several years [prep] | 6 |
|
| 15 | [noun prp] [prep] several years [prep] | 6 |
|
| 16 | [noun prp] [prep] several years [conj] | 6 |
|
