| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] a | 809 |
|
| 2 | is that a | 734 |
|
| 3 | is [that] a | 734 |
|
| 4 | is that a | 734 |
|
| 5 | is [conj] an | 124 |
|
| 6 | is [coord] a | 100 |
|
| 7 | is [subord] a | 99 |
|
| 8 | is but a | 93 |
|
| 9 | is but a | 93 |
|
| 10 | is whether a | 50 |
|
| 11 | is whether a | 50 |
|
| 12 | is because a | 41 |
|
| 13 | is because a | 41 |
|
| 14 | is if a | 5 |
|
| 15 | is if a | 5 |
|
