| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] [prep] | 1115 |
|
| 2 | [been] [v-ing] [adv] [prep] | 643 |
|
| 3 | have [been] [v-ing] [adv] | 335 |
|
| 4 | have [been] [adv] [prep] | 123 |
|
