| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] because | 1202 |
|
| 2 | it be because | 1202 |
|
| 3 | it [is] because | 778 |
|
| 4 | it 's because | 440 |
|
| 5 | it was because | 419 |
|
| 6 | it [was/were] because | 419 |
|
| 7 | it is because | 338 |
|
| 8 | it [be] because | 5 |
|
| 9 | it be because | 5 |
|
