| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] for | 294 |
|
| 2 | [been] [v-ing] for [det] | 217 |
|
| 3 | have [been] [v-ing] [det] | 124 |
|
| 4 | have [been] for [det] | 21 |
|
