英语谓语系统

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英语谓语系统英语谓语系统英语谓语系统dodidwilldowoulddobedoingwas/weredoingwillbedoingwouldbedoinghave/hasdonehaddonesh

英语谓语系统
英语谓语系统

英语谓语系统
do did will do would do
be doing was/were doing will be doing would be doing
have/has done had done shall(will) have done would have done
have been done had been done shall/will be doing should/would have been doing