| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun] have [been] [verb] | 3451 |
|
| 2 | [conj] [noun] have [been] [v-ing] | 506 |
|
| 3 | [conj] [noun] have [been] try | 11 |
|
| 4 | [conj] [noun] have [be] trying | 10 |
|
| 5 | [conj] [noun] [verb] [been] trying | 10 |
|
