| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] | 19902 |
|
| 2 | [been] [v-ing] for | 1734 |
|
| 3 | have [been] for | 502 |
|
| 4 | have [v-ing] for | 9 |
|
