| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [adv] [prep] a | 110 |
|
| 2 | 'd [been] [v-ing] [adv] [prep] | 56 |
|
| 3 | 'd [been] [v-ing] [prep] a | 42 |
|
| 4 | 'd [been] [adv] [prep] a | 10 |
|
