See examples of National Curriculum grammar objectives
See appendix 2 of the Key Stage (KS)1 and KS2 English programmes of study for the grammar content you’re required to teach pupils in each year. Note that this only shows when content should be introduced, not necessarily when it should be completely understood.
Here are some examples of the grammar topics covered by these objectives:
Year 1
Year 3 Forming nouns using prefixes Expressing time and place using conjunctions Inverted commas to