| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] a | 320 |
|
| 2 | have been [v-ing] a | 156 |
|
| 3 | [verb] been waiting a | 15 |
|
| 4 | have been waiting a | 15 |
|
| 5 | [vb base] been waiting a | 11 |
|
| 6 | have [be] waiting a | 6 |
|
| 7 | have been waiting [art] | 6 |
|
| 8 | have be waiting a | 6 |
|
| 9 | have been wait a | 6 |
|
| 10 | have [been] waiting a | 6 |
|
