SN4 ""

No	Pattern	Freq
1	[noun] is [verb] this [noun]	142
2	[noun sg] is [verb] this [noun]	110
3	[pron] is [verb] this [noun]	55
4	[pers pn] is [verb] this [noun]	34
5	[noun prp] is [verb] this [noun]	20
6	it is [verb] this [noun]	16
7	it is [verb] this [noun]	16
8	he is [verb] this [noun]	15
9	he is [verb] this [noun]	15
10	[verb] is [verb] this [noun]	13
11	[adv] is [verb] this [noun]	11
12	do is [verb] this [noun]	11
13	[Wh det] is [verb] this [noun]	11
14	[adv] is [verb] this [noun]	10
15	[noun pl] is [verb] this [noun]	10
16	which is [verb] this [noun]	9
17	which is [verb] this [noun]	9
18	[conj] is [verb] this [noun]	8
19	[Wh pn] is [verb] this [noun]	7
20	[to-vb] is [verb] this [noun]	7
21	to do is [verb] this [noun]	7
22	[coord] is [verb] this [noun]	6
23	who is [verb] this [noun]	5
24	who is [verb] this [noun]	5
25	is [adj] [verb] this [noun]	159
26	is [adj] [verb] this [noun]	150
27	is [verb] [verb] this [noun]	89
28	is [vb pp] [verb] this [noun]	64
29	is [adv] [verb] this [noun]	32
30	is [v-ing] [verb] this [noun]	22