| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] to a large extent | 13 |
|
| 2 | [is] [prep] a large extent | 13 |
|
| 3 | is [prep] a large extent | 13 |
|
| 4 | [is] [prep] a large extent | 13 |
|
| 5 | [is] to a large extent | 13 |
|
