| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] for [det] | 198 |
|
| 2 | [modal v] have [been] [v-ing] for | 55 |
|
| 3 | [modal v] have [been] [v-ing] [det] | 35 |
|
| 4 | [modal v] have [been] for [det] | 5 |
|
