| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have [been] [v-ing] for the | 12 |
|
| 2 | they have been [v-ing] for the | 12 |
|
| 3 | they have be [v-ing] for the | 12 |
|
| 4 | they 've [be] [v-ing] for the | 6 |
|
