| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] for several | 19 |
|
| 2 | [be] [adv] for several | 11 |
|
| 3 | been [adv] for several | 11 |
|
| 4 | [been] [adv] for several | 11 |
|
| 5 | [be] [adv prt] for several | 7 |
|
