It is very general ,verb should agree with the subject following certain rules , here are some challenging examples
1] A lot of trees _______ cut down.
2] The rise and fall of tide _______ a regular feature.
3] The quality of all the grapes _______ good.
4] One of the students _______ lazy.
5] The horse and carriage _______ ready.
6] The introduction of all lessons _______ finished .
7] Bread and butter _______ charged separately.
8] Bread and butter_______ my breakfast.
9] My friends and guide_______ here.
10] Honour and prestige_______ important.
11] Shirt and pant _______ a complete dress.
12] Either student or teacher _______ invited .
13] All the teachers as well as my friend_______ here to support one.
14] This teacher or my friends _______ responsible for my success.
15] It is you who_______ to blame.
16] Either my friend or his friends _______ to be blamed.
17] Neither Jhon nor Alice _______ blamed.
18] Neither he or you_______ invited.
19] Not only than but also Jennisa _______ invited.
20] More than 50 students _______called.
21] Many a student _______ called.
22] Neither junk food or oily food _______ good.
23] Idili and sambar_______ brought.
24] Idili and sambar_______ his regular food .
25] The majority of teachers _______ invited.
26] Milk and fruit _______ important for your breakfast.
27] Neither of the teachers _______ ready for it.
28] Each and every student_______ called.
29] _______ there any food for me?
30] Most of the work_______ finished.
31] The jury _______ ready for it
32] They jury_______ divided in assuming the decision.
33] The Arbian Nights _______a wonder book.
34] Every news_______ welcome.
35] The giraffe unlike other animals _______ not easy to catch.
36] 100 kms_______ a long distance.
37] Trousers _______ fit for me..
38] The spectacles _______ brought for me.
39] The police _______ready to catch me.
40] The reason of his problems _______ unknown.
41] 100 years _______ a long time.
42] 2 solutions in addition to our solution _______ accepted .
43] Gold and silver_______ expensive .
44] The wages of the workers _______ paid.
45] All expected means _______ observed.
46] All_______ invited.
47] Much advice _______given.
48] No one_______ gloomy.
49] Much_______ needed for.
50] _______ there any one to listen it?
Answer Key:-
1] are 2] is
3] is 4] is
5] is 6] is
7] are 8] is
9] is 10] is
11] is 12] is
13] are 14] are
15] is 16] are
17] is 18] are
19] is 20] are
21] is 22] is
23] is 24] is
25] is 26] is
27] is 28] is
29] is 30] is
31] is 32] are
33] is 34] is
35] is 36] is
37] are 38] are
39] are 40] is
41] is 42] are
43] are 44] is
45] are 46] are
47] is 48] is
49] is 50] is