| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after they have been [vb pp] [adv] | 11 |
|
| 2 | after they have be [vb pp] [adv] | 11 |
|
| 3 | after they have be [vb pp] [adv prt] | 8 |
|
| 4 | after they have be [vb pp] [adv] | 5 |
|
