| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] [prep] several [noun pl] | 148 |
|
| 2 | [been] [adv prt] [prep] [noun pl] | 53 |
|
| 3 | [been] [prep] several [noun pl] | 9 |
|
| 4 | [been] [adv prt] [prep] several | 7 |
|
