| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [to-vb] [coord] [verb] | 405 |
|
| 2 | is [to-vb] [conj] [vb infin] | 381 |
|
| 3 | is [to-vb] and [verb] | 365 |
|
| 4 | is [to-vb] and [verb] | 365 |
|
| 5 | is to try [conj] [verb] | 82 |
|
| 6 | is [to-vb] or [verb] | 39 |
|
| 7 | is [to-vb] or [verb] | 39 |
|
| 8 | is [to-vb] [conj] [to-vb] | 22 |
|
| 9 | is to identify [conj] [verb] | 12 |
|
| 10 | is to go [conj] [verb] | 10 |
|
| 11 | is [to-vb] [conj] evaluate | 8 |
|
| 12 | is [to-vb] [conj] explain | 8 |
|
| 13 | is [to-vb] [conj] explain | 8 |
|
| 14 | is [to-vb] [conj] evaluate | 8 |
|
| 15 | is to develop [conj] [verb] | 8 |
|
| 16 | is to maintain [conj] [verb] | 7 |
|
| 17 | is [to-vb] [conj] make | 7 |
|
| 18 | is [to-vb] [conj] make | 6 |
|
| 19 | is [to-vb] [conj] develop | 6 |
|
| 20 | is [to-vb] [conj] destroy | 6 |
|
| 21 | is [to-vb] [conj] analyse | 6 |
|
| 22 | is [to-vb] [conj] maintain | 6 |
|
| 23 | is to encourage [conj] [verb] | 6 |
|
| 24 | is [to-vb] [conj] get | 6 |
|
| 25 | is [to-vb] that [verb] | 6 |
|
| 26 | is [to-vb] [conj] destroy | 6 |
|
| 27 | is [to-vb] that [verb] | 6 |
|
| 28 | is [to-vb] [conj] maintain | 6 |
|
| 29 | is [to-vb] [conj] get | 6 |
|
| 30 | is [to-vb] [conj] develop | 6 |
|
