SN4 ""

No	Pattern	Freq
1	[noun] is [conj] they are	226
2	[noun sg] is [conj] they are	125
3	[noun pl] is [conj] they are	91
4	[adj] is [conj] they are	53
5	[det] is [conj] they are	29
6	[pron] is [conj] they are	22
7	this is [conj] they are	21
8	this is [conj] they are	21
9	[adj] is [conj] they are	20
10	[pers pn] is [conj] they are	18
11	it is [conj] they are	16
12	it is [conj] they are	16
13	[verb] is [conj] they are	16
14	common is [conj] they are	9
15	common is [conj] they are	9
16	[to-vb] is [conj] they are	7
17	problem is [conj] they are	6
18	[adv] is [conj] they are	6
19	problem is [conj] they are	6
20	[adv] is [conj] they are	6
21	[n mass] is [conj] they are	5
22	point is [conj] they are	5
23	fact is [conj] they are	5
24	fact is [conj] they are	5
25	point is [conj] they are	5
26	[noun prp] is [conj] they are	5
27	is [adj] [conj] they are	67
28	is [adj] [conj] they are	55
29	is [verb] [conj] they are	55
30	is [vb pp] [conj] they are	46