| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] they have be [v-ing] [adv prt] | 9 |
|
| 2 | [subord] they have been [v-ing] [adv prt] | 9 |
|
| 3 | [subord] they 've be [v-ing] [adv prt] | 5 |
|
