| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be do is [v-ing] [prep] | 16 |
|
| 2 | be do [is] [v-ing] [prep] | 16 |
|
| 3 | be doing [is] [v-ing] [prep] | 16 |
|
| 4 | 're do [is] [v-ing] [prep] | 6 |
|
