| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh pn] have [been] able | 10 |
|
| 2 | [noun sg] [Wh pn] have [been] able | 6 |
|
| 3 | [Wh pn] have [adv] [been] able | 20 |
|
| 4 | [Wh pn] have not [been] able | 12 |
|
| 5 | [Wh pn] have [not/n't] [been] able | 12 |
|
| 6 | [Wh pn] have [adv] [been] able | 8 |
|
| 7 | [Wh pn] have not [been] able | 7 |
|
| 8 | [Wh pn] have n't [been] able | 5 |
|
| 9 | [Wh pn] have [been] able [to-vb] | 19 |
|
| 10 | [Wh pn] have [been] able [verb] | 19 |
|
