| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adv] [v-ing] | 9220 |
|
| 2 | [Wh pn] was [v-ing] | 2142 |
|
| 3 | [Wh pn] was [adv] | 2119 |
|
| 4 | [Wh pn] [adv] [v-ing] | 7 |
|
