Sentence Improvement Questions

Multiple choice
  1. have thrown

  2. has been thrown

  3. had been thrown

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Case of passive voice. A sentence of past indefinite, when changed into passive voice, thas the form: has/have + been + third form of the verb. Now, the noun 'theory' is singular, so 'has been thrown'.

Multiple choice
  1. returns

  2. returned

  3. has returned

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Error of sentence formation. As per the rules if one clause of a sentence is in the past indefinite, the other clause must also be in the same tense. So, 'returned' in the subordinate clause needs to be preceded by 'returned'.

Multiple choice
  1. The fact that all cancers

  2. The fact all cancers

  3. The fact every cancer

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Error of sentence formation (Modifier usage). Modifier is missing, and from the available options, option 1 is the best choice.

Multiple choice
  1. is

  2. was

  3. had been

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Error of sentence formation. If the principal clause of a sentence is in the past tense, the subordinate clause must also be in the same tense. Hence, 'asked' should be followed by 'was'.

Multiple choice
  1. five times as long it would take

  2. five times as long as it takes

  3. five times as long as it would take

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The sentence is correct as given.

Multiple choice
  1. to be pitied than envied

  2. to be pitied than envy

  3. to be pity than envied

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Case of passive voice. This option 1 seems to be correct.

Multiple choice
  1. take their gloves off

  2. took their gloves of

  3. had taken their gloved off

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Error of sentence formation. Verb 'prefer' in the sentence shows that the sentence is in the present indefinite tense.  So, 'took off' should be replaced by 'take off'.

Multiple choice
  1. were made them

  2. has made them

  3. have been made them

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Error of subject-verb agreement. Here the subject (i.e. the extraordinary ability of the satellites) is a singular noun, and must be followed by a singular auxilary verb. Thus, option 2.

Multiple choice
  1. has been over flown

  2. has overflowed

  3. has overflowing

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Error of vocabulary usage. Rivers always 'flow', they never 'fly'. 'Flown' is the third form of fly, while 'flowed' is the third form of flow. Thus, option 2.

Multiple choice
  1. almost twenty years since

  2. for almost twenty years

  3. almost twenty years ago

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Error of prepositional usage. To refer a 'period of time' we use preposition 'for'. 'Since' is used to refer to a specific point of time.

Multiple choice
  1. it surpasses

  2. it had surpassed

  3. it has been surpassing

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Case of present tense. Double usage of continuity form is avoided. Hence, option 1.

Multiple choice
  1. got

  2. has gotten

  3. get

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Case of sentence formation in past indefinite tense. Second form of the verb is to be used. Hence, option 1.

Multiple choice
  1. which now bears his name

  2. which now has born his name

  3. which now has borne his name

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Error of subject-verb agreement. Here, pronoun 'which' qualifies to the mentioned college. It being a singular noun, usage of singular auxilary is required. Hence, 'bear' should be replaced by 'bears'. Thus, option 1.

Multiple choice
  1. should discourage

  2. should have discouraged

  3. should be discouraged

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When we wish or desire something, we use 'should be'.

Multiple choice
  1. to develop

  2. to developing

  3. to have developed

  4. No improvement needed

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Error of parallelism. 'To teach' in the antecedant needs to be followed by 'to develop' in the subsequent clause.