Choose the best option to complete each sentence, then check your answers.
The council's strict regulatory measures successfully deterred multinational corporations ___ local environmental protection laws during the expansion phase.
The verb 'deter' follows the pattern 'deter someone from doing something', requiring the preposition 'from' followed by a gerund ('from flouting'). The distractor 'to flout' is incorrect because 'deter' cannot take a to-infinitive.
The ministry launched a comprehensive urban renewal project with a view to ___ the overall quality of life in disadvantaged socio-economic districts.
In the phrase 'with a view to', the word 'to' is a preposition rather than an infinitive marker, so it must be followed by a gerund ('improving'). Option 'improve' incorrectly uses a bare verb after a preposition.
The lead researcher firmly denied ___ about the procedural errors in the clinical trial prior to the publication of the preliminary results.
The verb 'deny' takes a gerund or perfect gerund complement ('having known') to refer to a past action. It cannot be followed by a to-infinitive ('to have known' or 'to know').
After an extensive audit revealed significant financial irregularities, the Chief Financial Officer was made ___ from his position with immediate effect.
While the active form of 'make' takes a bare infinitive ('made him resign'), the passive voice construction ('was made') requires a full to-infinitive ('to resign'). The distractor 'resign' is ungrammatical in the passive form.
To mitigate the environmental impact of rapid urbanisation, the municipal planning committee recommended ___ strict density limits on all new residential developments.
When 'recommend' is directly followed by a verb without an intervening direct object noun or pronoun, it requires a gerund ('imposing'). 'recommended to impose' is ungrammatical in standard English.
Despite facing substantial pressure from industrial lobby groups, the minister resisted ___ the environmental regulations that protected coastal wetlands.
The verb 'resist' must be followed by a gerund ('weakening'). It does not accept a to-infinitive complement ('to weaken').
Adopting a fully automated production line will inevitably mean ___ hundreds of manual assembly jobs across the regional manufacturing facilities.
When 'mean' signifies 'to involve' or 'to result in', it takes a gerund complement ('phasing out'). The to-infinitive ('to phase out') is only used when 'mean' signifies intention ('to intend'), which requires an animate subject.
The newly appointed director emphasised that the research institute remains fully dedicated to ___ advanced sustainable technologies for arid agriculture.
In the adjectival phrase 'dedicated to', 'to' acts as a preposition, which must be followed by a gerund ('developing'). Using the bare verb 'develop' mistakes 'to' for an infinitive marker.
The pharmaceutical company claimed ___ all international safety protocols before launching the phase-three clinical trials.
The verb 'claim' is followed by a to-infinitive (here, a perfect infinitive 'to have followed' to express a completed past action). 'claim' cannot take a gerund direct object ('having followed' or 'following').
When surveyed about energy policy, the lead analyst stated that she would prefer ___ in renewable infrastructure rather than subsidies for fossil fuels.
The conditional form 'would prefer' requires a to-infinitive ('to invest') when expressing a specific preference, especially when paired with 'rather than'. The gerund ('investing') is used with 'prefer' for general preferences.
Despite recent financial market volatility, the venture capital firm remains intent on ___ its investment portfolio in emerging green-tech startups.
The adjectival phrase 'intent on' consists of an adjective and a preposition ('on'), which requires a gerund ('expanding'). Using an infinitive ('to expand') after 'intent on' is ungrammatical.
The recent breakthrough in quantum computing is expected to enable researchers ___ complex molecular structures far more accurately.
The verb 'enable' follows the pattern 'enable + object + to-infinitive' ('enable researchers to simulate'). It cannot take a gerund ('simulating') or a prepositional phrase ('for simulating').
After successfully restructuring the software division, the management consultant went on ___ the company's global supply chain operations.
'Go on to do something' means to proceed to a new task after finishing a previous one, whereas 'go on doing' means to continue the same activity. Since the consultant moved from the software division to supply chain operations, the to-infinitive ('to restructure') is required.
To avoid ___ misleading conclusions from incomplete data, the research team conducted three additional rounds of validation.
The verb 'avoid' is strictly followed by a gerund ('drawing'). It cannot take a to-infinitive ('to draw') as its direct object.
The economists concluded that there is little point in ___ emergency subsidies if structural tax reforms are not implemented simultaneously.
The fixed expression 'there is little point in' features a preposition ('in') and must be followed by a gerund ('introducing'). A to-infinitive ('to introduce') cannot follow this expression.
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Mastering gerunds and infinitives is essential for achieving an advanced score (Band 6.5 to 8.0) on the IELTS exam. This diagnostic test evaluates your ability to select the correct verb complementation patterns across a range of academic and professional contexts. Demonstrating precise control over whether a verb takes a gerund (-ing form), a to-infinitive, a bare infinitive, or a prepositional gerund directly impacts your Grammatical Range and Accuracy score in Writing and Speaking, while also aiding reading comprehension.
This test targets high-level structures frequently encountered in academic journals and official IELTS materials. You will be tested on verbs that change meaning depending on the complement used (such as mean or go on), passive infinitives versus gerunds, fixed adjective-preposition combinations (such as dedicated to or intent on), and voice shifts in causative constructions like passive make.
Pay close attention to subtle contextual cues in each sentence. Each question features one unequivocally correct option based on standard English grammar rules, helping you identify and eliminate common upper-intermediate errors.
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