System of forces : বলশ্রেণি;
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Appropriate Prepositions
Charge with(অভিযুক্ত করা): He is charged with killing.
Fed up with (বিরক্ত): He is fed up with waiting for her.
Greed for (লোভ): He has an indomitable greed for wealth.
Inquire of, about, into, after (অনুসন্ধান করা): Roma inquired of me about my father’s health. The pope will inquire into the cause of fire. Mehjabin inquired after her friends.
Solution to (সমাধান): None can solution to every problem.
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Idioms
For good (চিরদিনের জন্য): He left the house for good.
In the wake of (ঠিক পরে): Police came in the wake of the accident.
Now and then (মাঝে মাঝে): He comes here now and then.
To go to the dogs (গোল্লায় যাওয়া)- He has gone to the dogs by keeping evil company.
Three R's (প্রাথমিক শিক্ষা)— He has not yet learnt the three R's.