| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be waiting | 157 |
|
| 2 | [vb base] been waiting | 155 |
|
| 3 | [vb base] [been] waiting | 155 |
|
| 4 | 've [be] waiting | 87 |
|
| 5 | have [be] waiting | 68 |
|
