| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is because [det] [noun pl] | 24 |
|
| 2 | is [subord] these [noun pl] | 14 |
|
| 3 | is whether [det] [noun pl] | 11 |
|
| 4 | is [subord] such [noun pl] | 7 |
|
