| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adj] know | 66 |
|
| 2 | is [adv] [adj] to know | 64 |
|
| 3 | is [adv] important know | 15 |
|
| 4 | is [adv] important know | 15 |
|
| 5 | is [adv] difficult know | 14 |
|
| 6 | is [adv] difficult know | 14 |
|
| 7 | is very [adj] know | 13 |
|
| 8 | is also [adj] know | 10 |
|
| 9 | is therefore [adj] know | 7 |
|
| 10 | is [adv] necessary know | 6 |
|
| 11 | is [adv] necessary know | 6 |
|
