| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun sg] [art] | 2618 |
|
| 2 | is [prep] a [noun sg] | 1814 |
|
| 3 | is [prep] [noun sg] [art] | 755 |
|
| 4 | is a [noun sg] [art] | 109 |
|
