| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] for [noun pl] [to-vb] | 38 |
|
| 2 | have [been] [v-ing] for [noun pl] [to-vb] | 23 |
|
| 3 | have [been] trying for [noun pl] [verb] | 10 |
|
| 4 | have [been] trying for [noun] [to-vb] | 10 |
|
| 5 | have [be] trying for [noun pl] [to-vb] | 10 |
|
| 6 | have [been] trying [prep] [noun pl] [to-vb] | 10 |
|
| 7 | have [been] try for [noun pl] [to-vb] | 10 |
|
| 8 | [verb] [been] trying for [noun pl] [to-vb] | 10 |
|
