MCQs

'Must' usually changes to 'had to'.

'Let' can often be converted to a passive infinitive structure or 'ordered that... should'.

Simple Past -> Past Perfect.

'Will' -> 'would', 'now' -> 'then'.

Present Continuous -> Past Continuous.

'Do you know' (Present) -> 'knew' (Past).

'Hurrah' requires 'exclaimed with joy'.

'Will have' -> 'would have'.

Imperative command/request + infinitive.

Present Perfect Continuous backshifts to Past Perfect Continuous.

Exclamatory adjective + 'very'.

Pronoun 'us' -> 'them'.

Past Continuous backshifts to Past Perfect Continuous.

Scientific facts do not backshift.

'Might' does not backshift. 'Today' -> 'that day'.

'Have seen' -> 'had seen'. Pronoun 'my' -> 'her'.

'Shall' changes to 'would' (for future). 'Next week' -> 'the following week'.

'Forbade' is stronger and correct for negative imperatives without 'not to'.

'WH' questions keep the interrogative word. Structure becomes assertive.