| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] for several | 43 |
|
| 2 | [verb] been [verb] for several | 43 |
|
| 3 | [verb] [been] [verb] for several | 43 |
|
| 4 | [verb] [been] [v-ing] for several | 24 |
|
| 5 | [verb] [been] [vb pp] for several | 19 |
|
| 6 | [vb past] [been] [verb] for several | 18 |
|
| 7 | had [been] [verb] for several | 17 |
|
| 8 | [vb base] [been] [verb] for several | 13 |
|
| 9 | [vb -s] [been] [verb] for several | 11 |
|
| 10 | has [been] [verb] for several | 11 |
|
| 11 | have [been] [verb] for several | 10 |
|
| 12 | [verb] [been] run for several | 6 |
|
| 13 | [verb] [been] running for several | 5 |
|
