SN4 ""

No	Pattern	Freq
1	[pron] is [adj] for [pers pn]	424
2	[pron] is [adj] for [pers pn]	369
3	[pron] is [adv] for [pers pn]	72
4	[pron] is not for [pers pn]	53
5	[pron] is [not/n't] for [pers pn]	53
6	[pron] is good for [pers pn]	53
7	[pron] is difficult for [pers pn]	50
8	[pron] is difficult for [pers pn]	50
9	[pron] is not for [pers pn]	47
10	[pron] is [verb] for [pers pn]	43
11	[pron] is important for [pers pn]	40
12	[pron] is important for [pers pn]	40
13	[pron] is impossible for [pers pn]	31
14	[pron] is impossible for [pers pn]	31
15	[pron] is [v-ing] for [pers pn]	27
16	[pron] is [noun] for [pers pn]	26
17	[pron] is [adj -est] for [pers pn]	26
18	[pron] is [adj -er] for [pers pn]	26
19	[pron] is best for [pers pn]	25
20	[pron] is necessary for [pers pn]	25
21	[pron] is necessary for [pers pn]	25
22	[pron] is [noun sg] for [pers pn]	24
23	[pron] is good for [pers pn]	22
24	[pron] is easy for [pers pn]	21
25	[pron] is [pron] for [pers pn]	20
26	[pron] is possible for [pers pn]	20
27	[pron] is possible for [pers pn]	20
28	[pron] is hard for [pers pn]	19
29	[pron] is [indef pn] for [pers pn]	18
30	[pron] is hard for [pers pn]	17