SN4 ""

No	Pattern	Freq
1	[noun] is [verb] at a [noun sg]	83
2	[noun sg] is [verb] at a [noun sg]	72
3	[pron] is [verb] at a [noun sg]	25
4	[pers pn] is [verb] at a [noun sg]	13
5	which is [verb] at a [noun sg]	7
6	it is [verb] at a [noun sg]	7
7	which is [verb] at a [noun sg]	7
8	[conj] is [verb] at a [noun sg]	7
9	it is [verb] at a [noun sg]	7
10	[Wh det] is [verb] at a [noun sg]	7
11	[noun prp] is [verb] at a [noun sg]	7
12	[adj] is [verb] at a [noun sg]	5
13	[coord] is [verb] at a [noun sg]	5
14	and is [verb] at a [noun sg]	5
15	and is [verb] at a [noun sg]	5
16	is [adv] [verb] at a [noun sg]	12
17	is [verb] [verb] at a [noun sg]	11
18	is [adv] [verb] at a [noun sg]	11
19	is [vb pp] [verb] at a [noun sg]	8
20	is be [verb] at a [noun sg]	7
21	is being [verb] at a [noun sg]	7
22	is [be] [verb] at a [noun sg]	7
23	is [being] [verb] at a [noun sg]	7
24	is [adj] [verb] at a [noun sg]	6
25	is [adj] [verb] at a [noun sg]	6
26	is [verb] [verb] at a [noun sg]	11
27	is [verb] [to-vb] at a [noun sg]	10
28	is [verb] at [v-ing] a [noun sg]	5
29	is [verb] at [verb] a [noun sg]	5
30	is [verb] at a [adj] [noun sg]	112