| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been unable | 490 |
|
| 2 | have be unable | 490 |
|
| 3 | have [been] unable | 490 |
|
| 4 | had [be] unable | 210 |
|
| 5 | have [be] unable | 131 |
|
| 6 | has [be] unable | 87 |
|
| 7 | have [be] unable | 32 |
|
| 8 | 've [be] unable | 15 |
|
| 9 | 'd [be] unable | 9 |
|
