English Grammar: Verbs, Auxiliary Verbs and Conjunctions

In past tense questions, we use the auxiliary 'did' followed by the base form of the main verb. 'Did you park' is correct because 'did' already indicates past tense, so 'park' remains in its base form. 'Did you parked' is incorrect because it doubles the past tense marker.

The past continuous tense 'were waiting' is correct here because it describes an action in progress at a specific moment in the past. 'At ten o'clock yesterday morning' specifies a particular past time when the waiting was happening. 'Was waiting' would be singular, but 'we' requires plural.

'I have finished' (present perfect) is correct because it shows an action completed recently with relevance to the present moment. The present perfect connects the past action with the current situation - the report is now ready. 'I finish' is present simple for habitual actions, 'I finished' is simple past with no present connection.

'Just' is the correct adverb to use with present perfect for actions completed very recently. 'I have just made' indicates the action happened moments ago. 'Ever' is for questions/experiences, 'yet' is for things not done by now, and 'did' would require the simple past form 'made' without 'have'.

The past continuous 'was sleeping' correctly describes an action in progress when another past event occurred. 'When I looked' sets a specific past moment, and at that moment, the sleeping was ongoing. 'Is sleeping' is present tense, 'has slept' is present perfect showing completion, and 'sleeping' lacks a verb.

'Went' is the simple past tense of 'go', correct for completed actions at specific past times. 'Last year' is a definite past time marker requiring simple past. 'Goes' is present habitual, 'go' is present simple or base form, and 'have gone' is present perfect (indefinite past or present relevance).

'Has been' (present perfect) is correct because it shows a state continuing from the past to the present. Jobin became ill three weeks ago and is still ill now. The phrase 'He is still in hospital' confirms the continuing nature of the state. 'Had been' would be past perfect (before another past time), 'is/are' are simple present.

The sentence uses past perfect tense (had + past participle) to show an action completed before another past action. 'Had repaired' indicates the car repair was finished before Hari took it for a drive. 'Has repair' is grammatically incorrect, 'was repairing' shows ongoing action (not completed), and 'none' is unnecessary when a correct option exists.

The present perfect continuous tense (have/has + been + verb-ing) shows an action starting in the past and continuing to the present. 'Have been swimming' is correct because the swimming caused current aching. 'Have been swim' is grammatically wrong, 'swam' is simple past (doesn't show duration), and 'swimmed' is not a valid word.

The present perfect tense (have/has + past participle) connects past action to the present. 'I have driven' shows the action completed today with relevance to current tiredness. 'I am driving' is present continuous (happening now, not completed), 'I drive' is habitual present, and 'none' ignores the correct option.

The passive voice in past tense requires 'was/were + past participle'. 'Was taught' is correct because 'lesson' is singular and the action occurred yesterday. 'Is' is present tense, 'were' is plural, and 'none' is incorrect when option B is right.

Past tense questions use 'did' as the auxiliary verb. 'Did you not learn' is grammatically correct for asking about past action. 'Do' is present tense, 'done' is a past participle (can't be auxiliary), and 'does' is present tense for third-person singular.

Present continuous for second-person singular uses 'are + verb-ing'. 'Are spoiling' matches 'you' (singular/plural) and shows ongoing action. 'Is' is for third-person singular, 'an' is a typo for 'are', and 'were' is past tense.

Past passive requires 'was/were + past participle'. 'Was held' is correct because 'meeting' is singular and happened yesterday. 'Is' is present tense, 'were' is for plural subjects, and 'none' is incorrect when B is right.

When subject is followed by 'with' phrase, the verb agrees with the main subject, not the phrase. 'Susheel' is singular so 'was arrested' is correct. 'Were' and 'are' are plural, 'is' is present tense - all grammatically incorrect.

Past perfect tense shows one past action before another. 'Had left' is correct because the leaving happened before the telling. 'Have' and 'have been' are present tenses, 'were' is plural - all wrong.

Present perfect tense connects past to present. 'Has not come' is correct because 'she' is third-person singular and the statement relates to now. 'Had' is past perfect, 'have' is for I/you/we/they, 'have been' is continuous - all incorrect.

Present tense questions use 'do/does'. 'Do you want' is correct for second-person. 'Does' is for third-person singular, 'did' is past tense, 'none' is incorrect when A is right.

Past passive requires 'was/were + past participle'. 'Was hidden' matches singular 'treasure'. 'Were' is plural, 'has' and 'had' are present/past perfect tenses - grammatically wrong.

The past perfect tense 'had' is appropriate when describing an action that happened before another past action or reference point. 'Have been' and 'has been' are present/perfect tenses that don't fit the context of a completed past effort.

The conjunction 'before' correctly establishes the temporal relationship - saying prayers occurs prior to sleeping. 'While' suggests simultaneous action, 'after' suggests the opposite sequence, and 'when' is less specific about the timing.

'As soon as' correctly indicates that the game resumed immediately after the rain stopped. 'While' would suggest simultaneous action, 'where' refers to location, and 'none' is incorrect.

'Nevertheless' is a conjunctive adverb that shows contrast - despite being hungry, he still listened. It's the only option that logically connects two contrasting ideas. 'Though' and 'despite' need different sentence structures, and 'because' shows cause, not contrast.

The phrase 'Hardly could I' is a type of grammatical inversion used with negative adverbs for emphasis, though it's quite formal and less common than 'I could hardly'. 'I am' doesn't work with hardly, 'may I' is a question format, and 'Cant I' is both grammatically incorrect and informal.

The phrase 'as if' triggers the subjunctive mood, so 'were' is correct even though 'he' is singular. This is a fixed grammatical rule for hypothetical or contrary-to-fact situations. 'Is' is indicative, 'was' is sometimes accepted informally, and 'have been' doesn't agree with the subject.