| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [v-ing] | 17668 |
|
| 2 | [was/were] [v-ing] [adv prt] | 7426 |
|
| 3 | [adv] [v-ing] [adv prt] | 6697 |
|
| 4 | [was/were] [adv] [adv prt] | 2121 |
|
