| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] [adv] [prep] several | 10 |
|
| 2 | [verb] [been] [v-ing] [adv] [prep] several | 8 |
|
| 3 | [verb] [been] [adv] [verb] [prep] several | 11 |
|
| 4 | [verb] [been] [adv] [vb pp] [prep] several | 11 |
|
