英语谓语系统
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![英语谓语系统](/uploads/image/z/7570420-52-0.jpg?t=%E8%8B%B1%E8%AF%AD%E8%B0%93%E8%AF%AD%E7%B3%BB%E7%BB%9F)
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