No | Pattern | Freq | Relations |
---|---|---|---|
1 | is [verb] at an [adj] [noun sg] | 25 | |
2 | is [verb] at an [adj] [noun sg] | 25 | |
3 | is [vb pp] at an [adj] [noun sg] | 12 | |
4 | is [v-ing] at an [adj] [noun sg] | 11 | |
5 | is [verb] at an [adj] rate | 11 | |
6 | is [verb] at an alarming [noun sg] | 5 | |
7 | is [verb] at an alarming [noun sg] | 5 |