| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] what be [v-ing] [adv] | 68 |
|
| 2 | [adv] understand what be [v-ing] [adv] | 18 |
|
| 3 | [adv] understand what be [v-ing] [adv] | 6 |
|
| 4 | [adv] understand [Wh det] be [v-ing] [adv] | 6 |
|
| 5 | [adv] understand [pron] be [v-ing] [adv] | 6 |
|
| 6 | [adv] understand what [be] [v-ing] [adv] | 6 |
|
| 7 | [adv] understand what be [verb] [adv] | 6 |
|
