| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [to-vb] [conj] | 594 |
|
| 2 | is [vb pp] [verb] [conj] | 491 |
|
| 3 | is [verb] [verb] [coord] | 264 |
|
| 4 | is [verb] [verb] that | 259 |
|
| 5 | is [verb] [verb] [that] | 259 |
|
| 6 | is [verb] [verb] that | 259 |
|
| 7 | is [verb] [verb] and | 198 |
|
| 8 | is [verb] [verb] and | 198 |
|
| 9 | is [v-ing] [verb] [conj] | 150 |
|
| 10 | is [verb] [verb] [subord] | 138 |
|
| 11 | is [verb] ensure [conj] | 82 |
|
| 12 | is [verb] to ensure [conj] | 82 |
|
| 13 | is [verb] [verb] or | 53 |
|
| 14 | is [verb] [verb] or | 53 |
|
| 15 | is go [verb] [conj] | 42 |
|
| 16 | is going [verb] [conj] | 41 |
|
| 17 | is [verb] [verb] whether | 40 |
|
| 18 | is [verb] [verb] whether | 40 |
|
| 19 | is used [verb] [conj] | 37 |
|
| 20 | is use [verb] [conj] | 37 |
|
| 21 | is require [verb] [conj] | 35 |
|
| 22 | is required [verb] [conj] | 35 |
|
| 23 | is intend [verb] [conj] | 32 |
|
| 24 | is need [verb] [conj] | 31 |
|
| 25 | is intended [verb] [conj] | 31 |
|
| 26 | is [verb] [verb] if | 31 |
|
| 27 | is [verb] [verb] if | 31 |
|
| 28 | is needed [verb] [conj] | 31 |
|
| 29 | is designed [verb] [conj] | 27 |
|
| 30 | is design [verb] [conj] | 27 |
|
