| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [conj] it is [verb] | 52 |
|
| 2 | is [verb] [conj] it is [vb pp] | 46 |
|
| 3 | is [vb pp] [conj] it is [verb] | 46 |
|
| 4 | is [verb] [subord] it is [verb] | 38 |
|
| 5 | is [verb] when it is [verb] | 10 |
|
| 6 | is [verb] when it is [verb] | 10 |
|
| 7 | is [verb] that it is [verb] | 8 |
|
| 8 | is [verb] that it is [verb] | 8 |
|
| 9 | is [verb] [that] it is [verb] | 8 |
|
| 10 | is [verb] before it is [verb] | 7 |
|
| 11 | is [verb] before it is [verb] | 7 |
|
| 12 | is [verb] if it is [verb] | 6 |
|
| 13 | is [verb] [coord] it is [verb] | 6 |
|
| 14 | is [verb] [conj] it is [v-ing] | 6 |
|
| 15 | is [verb] as it is [verb] | 6 |
|
| 16 | is [verb] if it is [verb] | 6 |
|
| 17 | is [verb] as it is [verb] | 6 |
|
| 18 | is [v-ing] [conj] it is [verb] | 5 |
|
