How am I supposed to play along side a feeding and genuinely awful ADC?

Captured with Lightshot
MF is ADC in this game, obviously. How do I play with this? It's hard to find a good ADC to duo queue with, because all the ones I find are feeders. not coming out here saying my performance was flawless but the I really enjoy playing tank supports and don't see myself playing top/mid/adc any time soon. just not really interested. Thanks,
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