| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] | 22779 |
|
| 2 | have been [adv prt] | 1994 |
|
| 3 | have [be] back | 107 |
|
| 4 | have been back | 107 |
|
| 5 | have [been] back | 107 |
|
| 6 | [verb] been back | 107 |
|
| 7 | have be back | 107 |
|
