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Browse Rules: 6,186 matches

These are some of the errors that LanguageTool can detect. Visit the LanguageTool homepage to use it online.

Description Example Category
should be do (done) If you have after-school activities, the homework should be do first. Grammar
must be do (done) If you have after-school activities, the homework must be do first. Grammar
needn't to do(do) They need not to change them. Grammar
needn't to do(do) They needn't to change them. Grammar
needn't to do(do) They don't need change them. Grammar
it is ... to doing (do) They think that it is not easy to grasping skills. Grammar
be use (used) to He is use to a vegetarian diet. Grammar
wrong preposition with times 'on (at) 7:30 p.m.' She came on 7:30 p.m. Grammar
wrong preposition with times 'on (at) 7:30 p.m.' She came on 7 o'clock. Grammar
wrong preposition: 'happen with' (happen to) What happened with him? Grammar
LanguageTool 6.7-SNAPSHOT (2025-08-26 22:33:10 +0200)