| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [noun] | 12307 |
|
| 2 | is [prep] [noun sg] | 9092 |
|
| 3 | be [prep] doubt | 247 |
|
| 4 | [be] [prep] doubt | 247 |
|
| 5 | is [prep] doubt | 109 |
|
| 6 | [is] [prep] doubt | 109 |
|
