| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [v-ing] under | 8 |
|
| 2 | have [be] [v-ing] under | 8 |
|
| 3 | have [been] [v-ing] under | 8 |
|
| 4 | have been [v-ing] under | 8 |
|
