| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [pron] [adj] [adv] [to-vb] | 16 |
|
| 2 | is [pers pn] [adj] [adv] [to-vb] | 15 |
|
| 3 | is it [adj] [adv] [to-vb] | 13 |
|
| 4 | is it [adj] [adv] [to-vb] | 13 |
|
| 5 | is [pron] [adj] enough [to-vb] | 7 |
|
