Q: Can I work with H4EAD receipt, if employer has no objections

I am on H4EAD which expires on May 3,2019. Applied extension of H4EAD in December 2018 , based on my husband's H1. Can I still work after May 3,2019 ( since I received receipt notice) if my employer do not have any objections?. If I do, what are consequences? Please advise. This really helps. If I request by local senate office - how long does it take? If I request USCIS to expedite the process - how long does it take? Is there any way - I can switch to premium processing? Thanks

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