| 释义 | piggybackpiggyback2 verb [intransitive] informal    1to use something that is bigger, better, or more successful in order to help another product or project succeedpiggyback on/ontoVERB TABLEpiggyback |
 | Present | I, you, we, they | piggyback |  |  | he, she, it | piggybacks |  | Past | I, you, he, she, it, we, they | piggybacked |  | Present perfect | I, you, we, they | have piggybacked |  |  | he, she, it | has piggybacked |  | Past perfect | I, you, he, she, it, we, they | had piggybacked |  | Future | I, you, he, she, it, we, they | will piggyback |  | Future perfect | I, you, he, she, it, we, they | will have piggybacked | 
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 | Present | I | am piggybacking |  |  | he, she, it | is piggybacking |  |  | you, we, they | are piggybacking |  | Past | I, he, she, it | was piggybacking |  |  | you, we, they | were piggybacking |  | Present perfect | I, you, we, they | have been piggybacking |  |  | he, she, it | has been piggybacking |  | Past perfect | I, you, he, she, it, we, they | had been piggybacking |  | Future | I, you, he, she, it, we, they | will be piggybacking |  | Future perfect | I, you, he, she, it, we, they | will have been piggybacking | 
 videos that piggyback onto the success of proven TV programs2to use someone else’s wi-fi connection to the Internet, without their knowledge or permissionpiggyback on/onto  How can I prevent other people from piggybacking onto my connection?—piggybacking noun [uncountable] |