SN4 ""

No	Pattern	Freq
1	[verb] at night	472
2	[vb pp] at night	135
3	[v-ing] at night	89
4	sleep at night	77
5	[vb infin] at night	64
6	[vb base] at night	61
7	[vb past] at night	55
8	[to-vb] at night	51
9	sleep at night	40
10	[vb -s] at night	28
11	work at night	28
12	to sleep at night	16
13	do at night	12
14	sleeping at night	11
15	[verb] at nights	11
16	come at night	11
17	see at night	10
18	go at night	10
19	occur at night	9
20	to work at night	9
21	fly at night	9
22	use at night	9
23	happen at night	8
24	used at night	7
25	came at night	7
26	lock at night	7
27	leave at night	6
28	make at night	6
29	light at night	6
30	made at night	6