| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [prep] several years | 25 |
|
| 2 | [vb pp] [adv] [prep] several years | 13 |
|
| 3 | [noun] [adv] [prep] several years | 8 |
|
| 4 | [adv] [adv] [prep] several years | 7 |
|
| 5 | be [adv] [prep] several years | 6 |
|
| 6 | [be] [adv] [prep] several years | 6 |
|
| 7 | [vb past] [adv] [prep] several years | 5 |
|
| 8 | was [adv] [prep] several years | 5 |
|
| 9 | [noun sg] [adv] [prep] several years | 5 |
|
| 10 | [adv] [adv] [prep] several years | 5 |
|
| 11 | [was/were] [adv] [prep] several years | 5 |
|
| 12 | [adv] [verb] [prep] several years | 10 |
|
| 13 | [adv] [adv] [prep] several years | 7 |
|
| 14 | [adv] [adj] [prep] several years | 6 |
|
| 15 | [adv] [vb pp] [prep] several years | 6 |
|
| 16 | [adv] [adj] [prep] several years | 6 |
|
| 17 | [adv] [adv] [prep] several years | 5 |
|
| 18 | [adv] [prep] several years [adv] | 11 |
|
| 19 | [adv] [prep] several years [conj] | 11 |
|
| 20 | [adv] [prep] several years [adv] | 10 |
|
| 21 | [adv] [prep] several years [coord] | 8 |
|
| 22 | [adv] [prep] several years and | 8 |
|
| 23 | [adv] [prep] several years and | 8 |
|
| 24 | [adv] [prep] several years [prep] | 7 |
|
| 25 | [adv] [prep] several years [prep] | 7 |
|
