| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [prep] | 1115 |
|
| 2 | been [v-ing] [adv prt] [prep] | 690 |
|
| 3 | have been [v-ing] [adv prt] | 245 |
|
| 4 | have been [adv prt] [prep] | 138 |
|
