| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [conj] a | 1950 |
|
| 2 | is [conj] a | 933 |
|
| 3 | [vb -s] is [conj] | 376 |
|
| 4 | [vb -s] is a | 280 |
|
