| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [be] [verb] [prep] several years | 19 |
|
| 2 | [verb] [be] [verb] [prep] several years | 19 |
|
| 3 | [vb past] [be] [verb] [prep] several years | 9 |
|
| 4 | had [be] [verb] [prep] several years | 8 |
|
| 5 | [vb base] [be] [verb] [prep] several years | 7 |
|
| 6 | [vb mod] [be] [verb] [prep] several years | 6 |
|
| 7 | [modal v] [be] [verb] [prep] several years | 6 |
|
| 8 | [adv] [be] [verb] [prep] several years | 5 |
|
| 9 | [noun] [be] [verb] [prep] several years | 5 |
|
| 10 | have [be] [verb] [prep] several years | 5 |
|
| 11 | [be] [verb] [adv] [prep] several years | 5 |
|
| 12 | [be] [verb] [prep] several years [conj] | 6 |
|
| 13 | [be] [verb] [prep] several years [prep] | 5 |
|
| 14 | [be] [verb] [prep] several years [prep] | 5 |
|
