why Grammarly marks "was"?


I want to say the Portuguese (in plural) so I think "were" is correct, but Grammarly marks me to change it for "was"

See example:

In 1484, when the Portuguese were working on a way to Asia by going around the coast of Africa, Christopher Columbus began in Spain, to develop his theories that the Indies could be reached by sailing west around the world.
asked Mar 01 '12 at 03:24 Liliana New member

1 answer


I agree with Tolley, but I'd like to add a suggestion of my own.  Theories is plural, yet you've listed only one theory (...the Indies could be reached by sailing west...).

link answered Mar 01 '12 at 14:33 Jody M. Expert

Good catch, Jody. I missed that. Too many research papers on my lap. TolleyMar 01 '12 at 15:57

Multitasking! Jody M.Mar 01 '12 at 17:00

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