| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] at all | 59 |
|
| 2 | is [to-vb] at [adj] | 36 |
|
| 3 | is [to-vb] [prep] all | 20 |
|
| 4 | be [to-vb] at all | 16 |
|
| 5 | [be] [to-vb] at all | 16 |
|
| 6 | [is] [to-vb] at all | 5 |
|
