| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [adv] [prep] | 1226 |
|
| 2 | it have been [v-ing] [prep] | 131 |
|
| 3 | it have been [v-ing] [adv] | 124 |
|
| 4 | it have been [adv] [prep] | 94 |
|
