| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] be [v-ing] [adv prt] | 1279 |
|
| 2 | [verb] [Wh det] be [v-ing] [adv] | 723 |
|
| 3 | [verb] [Wh det] be [verb] [adv prt] | 712 |
|
| 4 | [verb] [Wh det] [be] [v-ing] [adv prt] | 681 |
|
