| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] be [v-ing] [adv] | 639 |
|
| 2 | understand what [pron] be [v-ing] | 196 |
|
| 3 | understand [pron] be [v-ing] [adv] | 69 |
|
| 4 | understand what be [v-ing] [adv] | 64 |
|
| 5 | understand what [pron] be [adv] | 24 |
|
