| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] they have been [v-ing] [prep] | 30 |
|
| 2 | [noun sg] they had been [v-ing] [prep] | 18 |
|
| 3 | [noun sg] they have been [v-ing] for | 15 |
|
| 4 | [noun sg] they have been waiting [prep] | 9 |
|
| 5 | [noun sg] they 've been [v-ing] [prep] | 7 |
|
| 6 | [noun sg] they have been [v-ing] in | 7 |
|
