| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [adv] | 4709 |
|
| 2 | [coord] it is [adv] | 3127 |
|
| 3 | [conj] it is undoubtedly | 21 |
|
| 4 | [coord] [pron] is undoubtedly | 20 |
|
| 5 | [coord] it be undoubtedly | 18 |
|
| 6 | [coord] it [be] undoubtedly | 18 |
|
| 7 | [coord] it [is] undoubtedly | 13 |
|
| 8 | [coord] it is undoubtedly | 12 |
|
