| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] as | 1940 |
|
| 2 | is [vb pp] when | 455 |
|
| 3 | is seen [subord] | 331 |
|
| 4 | is [vb pp] if | 272 |
|
| 5 | is [vb pp] because | 221 |
|
| 6 | is regarded [subord] | 187 |
|
| 7 | is described [subord] | 158 |
|
| 8 | is [vb pp] where | 110 |
|
| 9 | is required [subord] | 99 |
|
| 10 | is needed [subord] | 88 |
|
| 11 | is [vb pp] before | 87 |
|
| 12 | is used [subord] | 69 |
|
| 13 | is [vb pp] until | 65 |
|
| 14 | is defined [subord] | 59 |
|
| 15 | is treated [subord] | 48 |
|
| 16 | is perceived [subord] | 47 |
|
| 17 | is [vb pp] while | 43 |
|
| 18 | is lost [subord] | 43 |
|
| 19 | is taken [subord] | 40 |
|
| 20 | is presented [subord] | 39 |
|
| 21 | is made [subord] | 37 |
|
| 22 | is represented [subord] | 36 |
|
| 23 | is given [subord] | 35 |
|
| 24 | is reported [subord] | 33 |
|
| 25 | is recorded [subord] | 33 |
|
| 26 | is accepted [subord] | 32 |
|
| 27 | is [vb pp] than | 31 |
|
| 28 | is quoted [subord] | 30 |
|
| 29 | is [vb pp] unless | 30 |
|
| 30 | is viewed [subord] | 29 |
|
