Question

There ______ someone at home I can hear voices in the living room.
1) must be 2) was 3) has been 4) ought to have been

Answer 1

The completed sentence is as follows:

There 1) must be someone at home I can hear voices in the living room.

Using Must:

• Must is a verb that denotes obligation, commands, and recommendations.
• It can only be referred to in the present and future.
• You must when the past is involved.
• When referring to something we must do, we might use the word "must" in a phrase.
• 'I need to get my hair cut before my meeting tomorrow,' for instance.
• We can infer from this line that I must cut my hair before the meeting.
• I might want to impress my boss, after all!

Using Ought to be:

• The word "ought to" is used to convey likelihood, opinions, or information regarding obligations that must be fulfilled.
• These terms are frequently misunderstood by students, who mistakenly believe they are synonymous.
• But if one is aware of the context in which they are being used, these two words can be used interchangeably.

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