| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is that a | 420 |
|
| 2 | [noun sg] is that a | 374 |
|
| 3 | system is that [art] | 16 |
|
| 4 | system is that a | 5 |
|
| 5 | system is [conj] a | 5 |
|
| 6 | system [is] that a | 5 |
|
| 7 | system is [that] a | 5 |
|
| 8 | system be that a | 5 |
|
| 9 | system is that a | 5 |
|
| 10 | system [be] that a | 5 |
|
