| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] several year | 26 |
|
| 2 | [be] [vb pp] several year | 26 |
|
| 3 | [verb] [vb pp] several year | 24 |
|
| 4 | have [vb pp] several year | 24 |
|
| 5 | [vb past] [vb pp] several year | 15 |
|
| 6 | [was/were] [vb pp] several year | 15 |
|
| 7 | had [vb pp] several year | 15 |
|
| 8 | was [vb pp] several year | 12 |
|
| 9 | [adv] [vb pp] several year | 5 |
|
| 10 | [vb -s] [vb pp] several year | 5 |
|
| 11 | has [vb pp] several year | 5 |
|
| 12 | [adv] [vb pp] several year | 5 |
|
| 13 | [vb pp] [prep] several year | 62 |
|
| 14 | [vb pp] [prep] several year | 62 |
|
| 15 | [vb pp] for several year | 48 |
|
| 16 | [vb pp] for several year | 48 |
|
| 17 | [vb pp] over several year | 9 |
|
| 18 | [vb pp] over several year | 9 |
|
| 19 | [vb pp] several year [adv] | 31 |
|
| 20 | [vb pp] several year [adv] | 31 |
|
| 21 | [vb pp] several year [prep] | 20 |
|
| 22 | [vb pp] several year [prep] | 20 |
|
| 23 | [vb pp] several year ago | 15 |
|
| 24 | [vb pp] several year ago | 15 |
|
| 25 | [vb pp] several year [verb] | 7 |
|
| 26 | [vb pp] several year in | 6 |
|
| 27 | [vb pp] several year in | 6 |
|
| 28 | [vb pp] several year before | 5 |
|
| 29 | [vb pp] several year [v-ing] | 5 |
|
| 30 | [vb pp] several year before | 5 |
|
