| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [to-vb] at [noun] | 166 |
|
| 2 | be trying [to-vb] [prep] [noun] | 106 |
|
| 3 | be [v-ing] [to-vb] at [noun] | 41 |
|
| 4 | be trying [verb] at [noun] | 6 |
|
| 5 | be try [to-vb] at [noun] | 6 |
|
| 6 | [be] trying [to-vb] at [noun] | 6 |
|
