| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] a [adv] | 230 |
|
| 2 | [been] [verb] [prep] a [adv] | 188 |
|
| 3 | [been] [v-ing] [prep] [art] [adv] | 30 |
|
| 4 | [been] [v-ing] [prep] [art] [adv] | 30 |
|
| 5 | [been] [v-ing] [prep] a [adv] | 18 |
|
