Build Agents, Formality, and Modal Passives

Tap the words in the correct order to build each passive sentence. One word does not belong.

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Question 1

Name the agent who is responsible: _____

Options: The safety failure was caused by the maintenance contractor., from

Question 2

Name the unexpected agent: _____

Options: to, The motion sensor was triggered by a curious fox.

Question 3

Credit the creator: _____

Options: The memorial was designed by a local sculptor., at

Question 4

Omit the routine hospital agent: _____

Options: someone, Patients were transferred to a specialist unit overnight.

Question 5

Build the formal academic sentence: _____

Options: The samples were analyzed under controlled laboratory conditions., we

Question 6

Build the formal future result: _____

Options: they, The full findings will be published after peer review.

Question 7

Build the modal passive obligation: _____

Options: Every application must be signed before submission., has

Question 8

Build the modal passive recommendation: _____

Options: has, The ventilation issue should be addressed immediately.

Question 9

Build the modal passive possibility: _____

Options: The timetable can be changed if new evidence emerges., is

Question 10

Build the past modal passive: _____

Options: has, The files might have been deleted during the update.

Practise Build Agents, Formality, and Modal Passives with this interactive sentence-building exercise of 10 questions. Tap the words into the correct order to build each sentence, then submit to check your answers and get instant feedback on every sentence.

Practising grammar in real sentences — rather than memorising rules in isolation — is one of the most effective ways to make a structure stick. You can retry as many times as you like to build accuracy and confidence using Build Agents, Formality, and Modal Passives in everyday English.