| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [be] | 469 |
|
| 2 | it is be | 451 |
|
| 3 | it is [being] | 329 |
|
| 4 | it is being | 329 |
|
| 5 | it is [is] | 134 |
|
| 6 | it is is | 116 |
|
| 7 | it is in | 18 |
|
| 8 | it is in | 18 |
|
