| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is because it [is] [vb pp] | 8 |
|
| 2 | is because it [is] [verb] | 8 |
|
| 3 | is because it [is] [verb] | 8 |
|
| 4 | is because it is [verb] | 6 |
|
