| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [prep] a [adv] | 16 |
|
| 2 | been [v-ing] [prep] a [adv] | 16 |
|
| 3 | [been] [v-ing] [prep] a [adv] | 16 |
|
| 4 | [been] [v-ing] for a [adv] | 6 |
|
| 5 | [been] [v-ing] for a [adv] | 6 |
|
