Observe que no se han incluido todas las alternativas posibles, por lo que puede haber otras opciones a las respuestas dadas. Además, se ha usado / para indicar soluciones diferentes. Recuerde que en las respuestas breves no se contrae an afirmativa.
1
a He is / He's b They are / They're c We are / We're d is e You are / You're
2
a isn't, she is / she's b It is not / It isn't / It's not c She is not / She isn't / She's not d They are not / They aren't / They're not e I am not / I'm not
3
a Are b Is c Are d Is e Am
4
a Aren't they / Are they not b Isn't he? / Is he not c Isn't this book / Is this book not d Aren't you / Are you not e Am I not
5
a is not, is b Are, 'm not c Is, he is d is, 's e Are, 'm not f Are g am, is h is i 's j Are, 'm k are l is m Aren't, 's n is, is o is p am not q are not, is r Aren't, 'm s are, 're t is, 's u Isn't, 's v is w Are, are x 're, 'm y 's z is, is
6
a were b was c was d were e were
7
a was not b wasn't c were not d wasn't e wasn't
8
a Were b Were c Was d Was e Was
9
a Was he not b Wasn't c Were they not d Weren't e Weren't
10
a was, isn't b were c was d Was e were
11
a is, is, are b were c weren't, were d is, is ('s no es posible aquí) e was f Are g Aren't h isn't, 's i Are, are ('re no es posible aquí) j are, are k is, 's, 's, 's l is m were n were, was o Was, was p Isn't, 's q are r Weren't, was s 's t was u Is, 'm, isn't v is, are, are w is x were, Were y wasn't z was, was, was
12
a There are not a lot of trees.
Are there a lot of trees?
b There isn't a spider on the table.
Is there a spider on the table?
c There were not many soldiers.
Were there many soldiers?
d There was not a dictionary on the bedside table.
Was there a dictionary on the bedside table?
e He's not listening to music.
Is he listening to music?
f They're not writing to their parents.
Are they writing to their parents?
g She's not a publican.
Is she a publican?
h They were not overseas last week.
Were they overseas last week?
i You're not very clever.
Are you very clever?
j They are not very intelligent.
Are they very intelligent?
k He's not resting now.
Is he resting now?
l You're not a lawyer.
Are you a lawyer?
m We are not free.
Are we free?
n It's not a glow-warm.
Is it a glow-warm?
o They're not brave.
Are they brave?
p He is not a fool.
Is he a fool?
q The birds were not singing.
Were the birds singing?
r The house wasn't empty.
Was the house empty?
s The concert was not a roaring success.
Was the concert a roaring success?
t There was not a fly on the cake.
Was there a fly on the cake?
u He was not a good suitor.
Was he a good suitor?
v My car is not in its last legs.
Is my car in its last legs?
w His leg was not in plaster.
Was his leg in plaster?
x John and his sister are not over there.
Are John and his sister over there?
y Tim was not content with his pay.
Was Tim content with his pay?
z The house was not on fire.
Was the house on fire?
13
a being b being c being d being e being
14
a be b to be c to be d be e be, be
15
a been b been c been d been e been
16
a been, was, been b to be, is c isn't d is, being, to be e being f are g Weren't, wasn't h is, to be, is i are, is, being j isn't, isn't, is k was l was, aren't m are n be o are, be, was p be, am not q being, am r Aren't, am not, am, is s to be, were not t been u was, to be, am ('m no es posible aquí) v are, to be, is, was, been, is w be, (be) x am, is, be, were, is y are, are, is z be, is
17
a I'm twenty (years old), and (I'm) tall
b There wasn't any water, but there were some bunches of grapes.
c I love being here. The view is beautiful.
d Never be afraid.
e It must have been the wind.
f The fence is being painted.
g They have been here all their lives.
h There has been a water leak.
i I was watering the plants when you arrived home.
j "Aren't you going to give me a kiss on the cheek?"
"No, I'm not. I'm very angry."
k They were ill yesterday, but not today.
l There had been an earthquake.
m I / She may be pregnant.
n I think it was yesterday, but I'm not sure. It could have been the day before yesterday.
o Aren't you tired of doing the same things every day?
p "Is there any beer?"
"No, there isn't, but there is some wine."
q They weren't dancing. They were singing.
r We were very lucky to find drinking water.
s Am I missing anything?
t It can't be true. It must be a lie.
u We weren't cold. We were hot, and very thirsty.
v Be careful! It's very fragile.
w Today is Wednesday.
x You're right. We are in a hurry.
y "What's the weather like today?"
"It's snowing, and (it's) very cold."
z You are Scottish, aren't you?