| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] because [prep] | 16 |
|
| 2 | [is] [v-ing] because of | 15 |
|
| 3 | [is] [v-ing] because of | 15 |
|
| 4 | is [v-ing] because [prep] | 14 |
|
