Use of May/Might have :

Use of May/Might have :

Subject+may / might + past participle(V3)+Object

చేసి ఉండవచ్చు, రాసి ఉండవచ్చు,వెళ్ళి ఉండవచ్చు,చూసి ఉండవచ్చు.

ఇలాంటి మాటలను గూర్చి చెప్పవలసినపుడు మనము ఈ 'may/might have ' ఉపయోగిస్తాము.

I. The structure may / might + perfect infinitive is used to talk about the possibility that something happened in the past. It could also be used to say that something was true in the past.

Examples:

1. Lavanya may have missed the train.(= there is possibility that lavanya missed the train.)

2. 'Lavanya hasn’t arrived yet.’ ‘She may have missed the train.’ 

(= It is possible that she missed the train.  ఆమె రైలు ఎక్కలేదనుకుంట)

3. ‘What was that noise?’ ‘It might have been an generator.’(=అది జనరేటర్ శబ్దం అయ్యుండవచ్చు.)

II. The structure might + past participle(V3) is also used to talk about past events or situations that were possible but did not happen.

Examples:

1.You were stupid to fight with them. They might have killed you. (It was possible but fortunately it didn’t happen.)

May is not normally used to express this idea although it is sometimes possible in British English.

2. You were stupid to fight with them. they may have killed you. (Possible, but not very common)

III. The structure may / might + past participle can also be used to refer to the present or future. In this case, may and might show possibility.

Compare:

By the end of this week, He may have finished this work. (Strong possibility=ఖచ్చితంగా జరగవచ్చు)

By the end of this week, He might have finished this work. (Weak possibility= 50% జరగవచ్చు)

By the end of this week, He will have finished this work. (Certainty= ఖచ్చితంగా జరుగుతుంది)

To learn more click here: https://youtu.be/dH2p3Wk7HA4

In this video you can also compare tha following, might have and might have been, would have and would have been, could have and could have been, should have and should have been.