| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [be] a | 45466 |
|
| 2 | [pron] [am/are] a | 10524 |
|
| 3 | there [am/are] [art] | 4962 |
|
| 4 | [ex0] [am/are] a | 2051 |
|
| 5 | there [am/are] a | 2051 |
|
