SN4 ""

No	Pattern	Freq
1	but [adj] is [adv] [verb]	122
2	but [det] is [adv] [verb]	120
3	but this is [adv] [verb]	85
4	but this is [adv] [verb]	85
5	but [adj] is [not/n't] [verb]	73
6	but [adj] is not [verb]	73
7	but [adj] is [adv] [vb pp]	63
8	but [adj] is not [verb]	57
9	but [adj] is [adv] [verb]	46
10	but [adj] is [adv] [to-vb]	38
11	but [adj] is [adv] say	28
12	but that is [adv] [verb]	27
13	but that is [adv] [verb]	27
14	but [adj] is [adv] to say	25
15	but [adj] is [adv] [v-ing]	19
16	but [adj] is n't [verb]	16
17	but all is [adv] [verb]	5
18	but [adj] is [adv] change	5
19	but [adj] is [adv] lose	5
20	but [adj] is [adv] lost	5
21	but all is [adv] [verb]	5