EX8:
1 do
2 had betrayed
3 did
4 being asked to wait
5 did he take - rang
6 be abolished
7 will telephone
EX:9
1 would come - would bring
2 were looking - had escaped
3 will have built - will have been completed
4 started - were working
5 to have - rebuilt
6 started - have been watching
7 asking - never gives
8 to tell - will be doing
9 would have caught - had left
10 Not having - walked
EX10:
91 Had - been given
92 to have
93 have taken
94 had already shown
95 resurfacing
96 kept
97 drying
98 reading
99 to understand
100 wouldn't have become
EX11:
a won't use
b following
c was found - being entered
d reading
e were
f had been travelling
g should have known
h will be
i had been