| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] because it [vb -s] | 15 |
|
| 2 | is [verb] because it [verb] | 15 |
|
| 3 | is [verb] because it [verb] | 15 |
|
| 4 | is [vb pp] because it [verb] | 14 |
|
