| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [verb] [prep] | 1308 |
|
| 2 | they have been [v-ing] [prep] | 256 |
|
| 3 | [pron] have been fighting [prep] | 30 |
|
| 4 | they [verb] been fighting [prep] | 7 |
|
| 5 | they have [be] fighting [prep] | 7 |
|
| 6 | they have [been] fighting [prep] | 7 |
|
| 7 | they have been fight [prep] | 7 |
|
| 8 | they have be fighting [prep] | 7 |
|
