SN4 ""

No	Pattern	Freq
1	[conj] [pron] is for [det]	47
2	[subord] [pron] is for [det]	24
3	[coord] [pron] is for [det]	20
4	and [pron] is for [det]	19
5	and [pron] is for [det]	19
6	as [pron] is for [det]	16
7	as [pron] is for [det]	16
8	[adj] [pron] is for [det]	12
9	[adj] [pron] is for [det]	12
10	than [pron] is for [det]	6
11	than [pron] is for [det]	6
12	[noun] [pron] is for [det]	6
13	[adv] [pron] is for [det]	5
14	[noun sg] [pron] is for [det]	5
15	[adv] [pron] is for [det]	5
16	[pron] is [adj] for [det]	249
17	[pron] is [adj] for [det]	234
18	[pron] is [verb] for [det]	55
19	[pron] is [noun] for [det]	36
20	[pron] is [vb pp] for [det]	35
21	[pron] is [noun sg] for [det]	35
22	[pron] is [adv] for [det]	27
23	[pron] is responsible for [det]	22
24	[pron] is responsible for [det]	22
25	[pron] is [v-ing] for [det]	19
26	[pron] is [adv] for [det]	19
27	[pron] is possible for [det]	17
28	[pron] is possible for [det]	17
29	[pron] is difficult for [det]	13
30	[pron] is good for [det]	13