| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [v-ing] [adv] be | 6 |
|
| 2 | [prep] be [v-ing] [adv] be | 6 |
|
| 3 | [prep] be [v-ing] [adv] is | 6 |
|
| 4 | [prep] be doing [adv] be | 5 |
|
