| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv prt] [prep] several | 12 |
|
| 2 | [be] [adv prt] for several | 7 |
|
| 3 | [been] [adv prt] [prep] several | 7 |
|
| 4 | been [adv prt] [prep] several | 7 |
|
