Упражнения на Future Perfect Continuous in the Past

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to play

would have play

will have been playing

would been playing

would have been playing

to sing

would have singing

would have been singing

would singing

will be singing

to send

would have been sending

would been sending

will have been sending

would have been send

to ride

would have been riding

will been riding

would have been ride

would been riding

to smile

would been smiling

would have been smiling

would have smiling

would have been smile