| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [verb] is | 1055 |
|
| 2 | [am/are] [v-ing] is | 870 |
|
| 3 | [be] doing is | 282 |
|
| 4 | [am/are] doing [be] | 194 |
|
| 5 | [am/are] doing be | 193 |
|
| 6 | [am/are] doing [is] | 188 |
|
| 7 | [am/are] do is | 187 |
|
