Explanation

I would rather apply for a foreign scholarship than study here. this is the right sentence.

"Then" is used to show time. 

"Than" is used to show a comparison. 

Explanation

• The building is so Tall
• عمارت اتنی اونچی ہے۔
  
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• Tall is best to keep the meaning of the original sentence 
• The following sentence is the simple form of the sentence so we use the first foam of the verb

Explanation

"He promised that he will come" correctly matches the future tense with the verb “promised.”

It indicates a future action based on a past promise, which is standard in reported speech.

Explanation

A complex sentence is a sentence that contains an independent clause with one or more subordinate clauses

Explanation

mine, yours, his, hers, ours, theirs are called possessive pronouns.

possessive pronouns are used at the end of a sentence. 

Explanation

Note:- If two verbs/adjectives etc take two different prepositions, we must use appropriate prepositions along with the verb/adjective.

Mr. Aslam is senior to and older than Mr. Sajad.

Explanation

It is a beautiful computer.

The pronoun 'it' is used to identify a person or thing. 

Explanation

 The terms "more loudly" and "most loudly" are the comparative and superlative forms of the adverb "loudly."

He speaks more loudly than a loudspeaker.

Explanation

Islamabad has an ideal climate. 

Because ideal gives vowel sound.

Explanation

• Shazia had opened the door before we arrived
• شازیہ ہمارے پہنچنے سے پہلے دروازہ کھول چکی تھی۔
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• Arrived is best to keep the meaning of the original sentence.
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• past tense and past participle form is had, so we use the second form of the verb "arrived"
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• he/she/it         arrives
• present participle  arriving
• past tense         arrived
• past participle arrived
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