| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb -s] been [v-ing] [prep] [noun] | 12 |
|
| 2 | what [vb -s] [been] [v-ing] [prep] [noun] | 12 |
|
| 3 | what [vb -s] [been] happening [prep] [noun] | 10 |
|
| 4 | what [vb -s] [been] [v-ing] [prep] [noun prp] | 9 |
|
| 5 | what [vb -s] [been] [v-ing] in [noun] | 7 |
|
| 6 | what has [been] [v-ing] [prep] [noun] | 7 |
|
| 7 | what [vb -s] [been] [v-ing] in [noun] | 7 |
|
| 8 | what 's [been] [v-ing] [prep] [noun] | 5 |
|
