| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 've been [v-ing] [adv] [prep] | 150 |
|
| 2 | 've been [v-ing] [adv prt] [prep] | 73 |
|
| 3 | been [v-ing] [adv] [adv prt] [prep] | 18 |
|
| 4 | 've been [v-ing] [adv] [adv prt] | 8 |
|
