| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [adv] for a | 42 |
|
| 2 | [been] [adv] for a long | 32 |
|
| 3 | [been] [v-ing] for a long | 25 |
|
| 4 | [v-ing] [adv] for a long | 20 |
|
