Fill in the Blanks

(2), (3) and (4) are incorrect because all of them have double negatives and double negatives cannot be used together.           Answer: (1)

(1), (2) and (4) are incorrect because in a complex sentence, if the main clause is in the Simple Future Tense, then the subordinate clause has to be in the Simple Present Tense. Answer: (3)

(1), (2) and (4) are incorrect because in a complex sentence, if the subordinate–clause is in the simple Present Tense, then the main clause has to be in the Simple Future Tense. Answer: (3)

(1), (2) and (3) are incorrect because “for” and “worth” have the same meaning and only one of them can be used. Therefore, both (2) and (3) are correct. Answer: (4)

(2), (3) and (4) are incorrect because the blank requires a positive main verb because the given sentence is already negative and none of the (2), (3) and (4) has a positive word. Rather, all of them have negative words. Answer: (1)

(1), (2) and (3) are incorrect because all of them are repetitions of the word “offered”, which are not required. Answer: (4)

The preposition 'at' is used for smaller locations or what can be termed as a local area; 'in' is used for larger areas or enclosed places; 'on' is used for street.

In clauses, when talking about events that are not certain to happen/or a person imagines happening, we use 'were'. It does not change with the person (I, you, he, etc.).  

In a complex sentence if the main clause is in the Simple Future Tense, then the subordinate clause has to be in the Simple Present Tense

The given sentence belongs to the Simple Past Tense

This is a case of Present Perfect Continuous Tense. Plural subject takes plural auxiliary.

The given sentence, requires a transitive verb because the action of “Raman” has been passed over to the direct object “stone”.

The given sentence needs a Present Simple Tense.           Answer: (1)

If the subordinate adverb clause of manner has the verb “had been”, then the main clause must be in “simple Past Tense”.

(3) This is a case of Past Perfect Continuous Tense.