| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [been] [v-ing] [adv prt] [art] | 7 |
|
| 2 | who have [been] [verb] [adv prt] [art] | 7 |
|
| 3 | who have [been] [verb] [adv prt] [art] | 7 |
|
| 4 | who have been [verb] [adv prt] [art] | 7 |
|
