| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] a doubt the [adj] | 5 |
|
| 2 | [be] [prep] a doubt the [adj] | 5 |
|
| 3 | [is] [prep] a doubt the [adj] | 5 |
|
| 4 | [prep] a doubt the [adj] [noun] | 5 |
|
| 5 | [prep] a doubt the [adj] [noun sg] | 5 |
|
