| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [prep] a | 1105 |
|
| 2 | [verb] [be] [prep] a | 1105 |
|
| 3 | [verb] is [prep] [art] | 355 |
|
| 4 | [verb] [is] [prep] a | 108 |
|
| 5 | [verb] is [prep] a | 104 |
|
