Explanation

I  could not understand what she was saying.

Usually first form of a verb (understand) is used after Could. 

Explanation

• Complete shutdown Is being observed today against new law:
• نئے قانون کے خلاف آج مکمل ہڑتال کی جا رہی ہے۔
  
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•  "being observed" and "today against new law": are two actions that started in the past and continue in the present
• "Is being" is used to describe an action that started in the past and continues in the present
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• 'being' is the present participle of the verb 'be' and can be used with the continuous form of the verb 'be' in all its forms i.e. am, is, was, are, and were
  
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Explanation

• Successful people always Have two things. One determination and second sincerity.
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• in the above sentence, two events happen, so we use "have" in the sentence.. because have is the best choice to keep the meaning of the original sentence
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• While the verb to have has many different meanings, its primary meaning is “to possess, own, hold for use, or contain.”
• Have and has indicated possession in the present tense (describing events that are currently happening).
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• The verb have has the forms: have, has, having, and had.
• The base form of the verb is have.
• The present participle is having.
• The past tense and past participle forms are had.
  

Explanation

Present Continuous Tense

Active Voice: Subject + is/am/are + First of verb + ing + obect.

Passive Voice: Object + is being/am being/ are being + third form of verb + by + subject.

Active Voice: I am doing sums.

Passive Voice:  Sums are being done by me.

Do is a regular verb which means کرنا

Do means perform.

Did is the second form while done is the third form of Do. 

Explanation

Both dare and scold are verbs.

Therefore, the preposition to should be used between them.

Explanation

If two nouns are joined by preposition, the noun on either side singular and the verb is also singular.

Explanation

The word "attack" does not take any preposition.

The word attack is a verb which means کسی پر حملہ کرنا

Explanation

Explanation

It has been sold to a businessman means اس (مکان) کو کسی بزنس مین کو فروخت کیا جا چکا ہے

Explanation

The number of + singular verb

A number of + plural verb