SN4 ""

No	Pattern	Freq
1	have gone mad	54
2	[verb] gone mad	54
3	[vb past] gone mad	26
4	had gone mad	21
5	[vb -s] gone mad	11
6	[noun] gone mad	11
7	[noun sg] gone mad	11
8	[pron] gone mad	10
9	[vb base] gone mad	9
10	[pers pn] gone mad	8
11	have gone mad	7
12	[vb infin] gone mad	7
13	[adv] gone mad	6
14	's gone mad	6
15	'd gone mad	5
16	has gone mad	5
17	've gone mad	5
18	gone [adv] mad	15
19	gone [adv] mad	15
20	gone completely mad	7
21	gone completely mad	7
22	gone mad [prep]	8
23	gone mad [prep]	8
24	gone mad [conj]	7
25	gone mad [coord]	6