Answers: agreement and non-agreement of verbs

The verbs that agree are printed in blue and the verbs that do not agree are crossed through – the standard form is in red.

1. The teams of each house was were choosing leaders. [teams is a plural noun and needs a third person plural verb] 
2. A tennis player needs to be very fit. [player + a third person singular verb]
3. I feels feel miserable for ages after watching a sad film. [the first person pronoun I needs a first person singular verb] 
4. ‘Mum, you always does  do the packing at the last minute.’ [the second person singular pronoun you needs a second person singular verb]
5. Only an official set of chess pieces is acceptable in the national school competitions. [set + third person singular verb]