| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for [det] [noun sg] | 17 |
|
| 2 | have [been] [v-ing] for [det] time | 14 |
|
| 3 | have [been] [v-ing] for some [noun sg] | 14 |
|
