proffer的现在进行时怎么写？

I proffer to help him.我愿意帮助他.His proffer of advice was not accepted finally.他所提供的建议最后没被采纳.Proffer to help sb.表示愿意帮助某人....

proffer的第三人称单数（三单）为：proffers...

proffer的音标：proffer的英式发音音标为：['prɒfə(r)]proffer的美式发音音标为：['prɑfə(r)]...

proffer的一般过去时为：proffered...

vt.提供，贡献，提出，提出参见n.提供，贡献，提供的行为，提议...

proffer的现在完成时为：proffered...

adj.支持的，拥护的，赞助的...

博尔丁爱说尖酸的俏皮话是出了名的。Boulding was known for his biting wit....

n.树干( trunk的名词复数 )，衣箱，象鼻...

hydrokinesitherapy的音标：hydrokinesitherapy的英式发音音标为：[haɪdrəʊkɪ'nesɪθerəpɪ]hydrokinesitherapy的美式发音音标为：[haɪdroʊkɪ'nesɪθerəpɪ]...

The bookkeeper drew a check for me.会计给我开了一张支票.The bookkeeper figured well.这位簿计员擅长计算.I was tired of being a bookkeeper.我厌倦了当簿记员。...

adv.令人愉快地，兴高采烈地...

n.音乐，乐曲，乐谱，乐队...

destroys的音标：...

adj.可怕的，血红的，苍白的...

vt.先发制人，预先阻止，垄断，屯积，领先...

Russian workers have staged a number of strikes in protest at the republic's declaration of independence...俄罗斯工人已经举行了数次罢工，抗议该共和国宣布独立。I can't pass the matter by without a protest.我不能对此事视而不见, 我要提出抗议。...the explos...

castellated的音标：castellated的英式发音音标为：['kæstəleɪtɪd]castellated的美式发音音标为：['kæstəˌletɪd]...

griminess的音标：griminess的英式发音音标为：[ɡ'raɪmɪnɪs]griminess的美式发音音标为：[ɡ'raɪmɪnɪs]...

furbish的音标：furbish的英式发音音标为：['fɜ:bɪʃ]furbish的美式发音音标为：['fəbɪʃ]...

rekindles的音标：...