| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] they have [been] waiting for | 9 |
|
| 2 | [noun] they have been waiting for | 9 |
|
| 3 | [noun sg] they have [been] waiting for | 9 |
|
| 4 | [noun] they had [been] waiting for | 5 |
|
