| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] is | 1305 |
|
| 2 | [am/are] [verb] is | 1055 |
|
| 3 | [am/are] [v-ing] [be] | 979 |
|
| 4 | [am/are] [v-ing] be | 976 |
|
| 5 | [am/are] [v-ing] [is] | 875 |
|
