| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and a [noun] | 33107 |
|
| 2 | and a [noun sg] | 31243 |
|
| 3 | [conj] a helicopter | 43 |
|
| 4 | and [art] helicopter | 27 |
|
| 5 | and a helicopter | 22 |
|
