यह दवा जल्दी असर करेगी।

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Breakdown of यह दवा जल्दी असर करेगी।

• करना: to do
• दवा: medicine
• जल्दी: early

Questions & Answers about यह दवा जल्दी असर करेगी।

Why does the sentence use करेगी?

Because दवा (medicine) is a feminine singular noun, and the future form of करना (to do) has to agree with it here.

• masculine singular: करेगा
• feminine singular: करेगी
• plural / respectful: करेंगे

So:

• यह दवा असर करेगी = This medicine will have an effect
• यह इलाज असर करेगा = This treatment will have an effect

What exactly is असर करेगी? Why is it not just one verb?

असर is a noun meaning effect, and करना means to do. Together, असर करना is a very common Hindi expression meaning:

• to have an effect
• to work
• to take effect

So यह दवा जल्दी असर करेगी literally feels like:

This medicine will do effect quickly

But in natural English, you would usually say:

• This medicine will work quickly
• This medicine will take effect quickly

What does जल्दी mean here: quickly or soon?