Sergio Tulentsev
  • Member for 9 years, 7 months
  • Last seen more than a month ago
How do I know when to use -тся or -ться in a verb
5 votes

The key here is to ask a question that this verb answers. If the question is "what is it doing?", then the ending should be -тся (делается, пишется, причесывается, ...) If the question is "what to ...

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