SN4 ""

No	Pattern	Freq
1	[pron] is a good idea	157
2	it is a good idea	154
3	it is a good idea	154
4	[pers pn] is a good idea	154
5	[noun] is a good idea	48
6	[noun sg] is a good idea	37
7	[adj] is a good idea	29
8	[det] is a good idea	28
9	this is a good idea	21
10	this is a good idea	21
11	[noun pl] is a good idea	8
12	that is a good idea	7
13	that is a good idea	7
14	is [adv] a good idea	96
15	is [adv] a good idea	55
16	is not a good idea	41
17	is [not/n't] a good idea	41
18	is not a good idea	29
19	is [det] a good idea	14
20	is also a good idea	14
21	is [adj] a good idea	14
22	is also a good idea	14
23	is n't a good idea	12
24	is often a good idea	9
25	is [pron] a good idea	9
26	is often a good idea	9
27	is always a good idea	8
28	is [pers pn] a good idea	8
29	is it a good idea	8
30	is always a good idea	8