| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] for several years | 30 |
|
| 2 | be [verb] for several years | 30 |
|
| 3 | [verb] [verb] for several years | 29 |
|
| 4 | have [verb] for several years | 24 |
|
| 5 | [been] [verb] for several years | 20 |
|
| 6 | been [verb] for several years | 20 |
|
| 7 | [noun] [verb] for several years | 16 |
|
| 8 | [pron] [verb] for several years | 16 |
|
| 9 | [vb past] [verb] for several years | 15 |
|
| 10 | [pers pn] [verb] for several years | 14 |
|
| 11 | had [verb] for several years | 13 |
|
| 12 | [vb mod] [verb] for several years | 12 |
|
| 13 | [noun sg] [verb] for several years | 12 |
|
| 14 | [modal v] [verb] for several years | 12 |
|
| 15 | [adv] [verb] for several years | 10 |
|
| 16 | [adv] [verb] for several years | 8 |
|
| 17 | [be] [verb] for several years | 7 |
|
| 18 | be [verb] for several years | 7 |
|
| 19 | [verb] [verb] for several years | 29 |
|
| 20 | [verb] [vb pp] for several years | 23 |
|
| 21 | [verb] [adv] for several years | 20 |
|
| 22 | [verb] [adv] for several years | 13 |
|
| 23 | [verb] [noun] for several years | 9 |
|
| 24 | [verb] [pron] for several years | 8 |
|
| 25 | [verb] [adv prt] for several years | 7 |
|
| 26 | [verb] [pers pn] for several years | 7 |
|
| 27 | [verb] [adj] for several years | 6 |
|
| 28 | [verb] [adj] for several years | 6 |
|
| 29 | [verb] work for several years | 5 |
|
| 30 | [verb] [to-vb] for several years | 5 |
|
