| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what was [v-ing] [prep] the [adj] | 21 |
|
| 2 | what was happening [prep] the [adj] | 18 |
|
| 3 | what was [v-ing] [prep] the [adj] | 18 |
|
| 4 | what was [v-ing] in the [adj] | 8 |
|
