| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [vb pp] [to-vb] to | 36 |
|
| 2 | is [adv] [vb pp] [v-ing] to | 15 |
|
| 3 | is [adv] [vb pp] refer to | 15 |
|
| 4 | is [adv] [vb pp] to refer to | 14 |
|
| 5 | is [adv] [vb pp] according to | 12 |
|
| 6 | is [adv] [vb pp] accord to | 12 |
|
| 7 | is [adv] used [verb] to | 10 |
|
| 8 | is also [vb pp] [verb] to | 8 |
|
| 9 | is then [vb pp] [verb] to | 6 |
|
| 10 | is [adv] [vb pp] [vb pp] to | 6 |
|
