| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] a long | 28 |
|
| 2 | have been [v-ing] [prep] a long | 28 |
|
| 3 | have been [v-ing] for a long | 23 |
|
| 4 | have been [v-ing] for a long | 23 |
|
| 5 | had been [v-ing] [prep] a long | 8 |
|
| 6 | 've been [v-ing] [prep] a long | 6 |
|
| 7 | 's been [v-ing] [prep] a long | 5 |
|
