| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [v-ing] [prep] [noun sg] | 322 |
|
| 2 | [Wh pn] [was/were] [adv] [v-ing] [prep] | 119 |
|
| 3 | [Wh pn] [was/were] [v-ing] [prep] [noun sg] | 79 |
|
| 4 | [Wh pn] [was/were] [adv] [prep] [noun sg] | 73 |
|
| 5 | [Wh pn] [was/were] [adv] [v-ing] [noun sg] | 22 |
|
