| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [det] [subord] [adv] a | 52 |
|
| 2 | [pron] is [det] [subord] a | 51 |
|
| 3 | [pron] is [det] [subord] [adv] | 35 |
|
| 4 | [pron] [det] [subord] [adv] a | 9 |
|
