SN4 ""

No	Pattern	Freq
1	[det] is [adv] [subord]	283
2	this is [adv] [subord]	242
3	this is [adv] [subord]	242
4	[adj] is [adv] because	231
5	[adj] is partly [subord]	94
6	that is [adv] [subord]	36
7	that is [adv] [subord]	36
8	[adj] is probably [subord]	27
9	[adj] is largely [subord]	22
10	[adj] is only [subord]	20
11	[adj] is [adv] than	19
12	[adj] is [adv] as	18
13	[adj] is so [subord]	16
14	[adj] is more [subord]	14
15	[adj] is mainly [subord]	13
16	[adj] is simply [subord]	9
17	[adj] is just [subord]	8
18	[adj] is [adv] [subord]	7
19	[adj] is usually [subord]	7
20	[adj] is presumably [subord]	6
21	[adj] is often [subord]	5
22	[adj] is [adv] whether	5
23	[adj] is [adv] if	5