| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [is] | 920 |
|
| 2 | [be] doing [is] | 286 |
|
| 3 | be doing [is] | 286 |
|
| 4 | is [v-ing] [is] | 204 |
|
| 5 | is do [is] | 52 |
|
| 6 | [is] doing [is] | 52 |
|
| 7 | is doing [be] | 32 |
|
