| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | them have been [v-ing] | 21 |
|
| 2 | them have be [v-ing] | 21 |
|
| 3 | them have [been] [v-ing] | 21 |
|
| 4 | them had [be] [v-ing] | 13 |
|
| 5 | them have [be] [v-ing] | 5 |
|
