介係詞動詞（不可分開）。介係詞動詞相當於一個及物動詞，支配賓語，賓語只能放在介係詞後面，不能放在動詞和介係詞之間，在被動語態裡，整個短語動詞作為一個整體看待，介係詞不能漏掉，如：We must look into the matter immediately.The store was broken into by thieves last night.Anger preyed upon her for weeks.又如：speak of 說到refer to 參考see to 保證send for 派人請laugh at 嘲笑短語動詞（可分開）。短語動詞由動詞加副詞構成，有的相當於一個及物動詞，有被動語態，可以支配一個賓語，如果賓語是人稱代詞，代詞放在動詞和副詞之間，如果賓語為名詞或不定代詞，則可以放在短語動詞的後面，也可以放在中間。如：He picked the book up. He picked it up.又如：work out 制定出win over 說服wipe out 消滅turn out 趕出來，結果是turn on 開啟有的相當於一個不及物動詞，不能支配任何賓語，無被動語態。The plane took off despite the fog.The war broke out in 1980 and lasted eight years.又如：break down 出故障come to 甦醒drop out 退出give in 讓步knock off 停工動詞+名詞+介係詞。這類短語動詞為及物動詞，需要跟賓語，有非謂語形式和謂語形式。它也有被動語態。這類短語動詞的名詞前可以有定語，為了強調，可以把名詞置於句首或者把介賓結構置於句首。如：Those houses were set fire to by thieves.No fault could be found with the paper.To this she didn"t pay the slightest attention.We must make rational use of the land.The president got off the car and shook hands with the ministers.又如：catch sight of 看見get rid of 除去make fun of 取笑take care of 照顧take part in 參加短語介係詞動詞（不可分開）。短語介係詞動詞由動詞加副詞加介係詞構成，支配賓語的時候賓語放在介係詞後面，不可分開，如：Please keep out of her affairs.The old law must be done away with.The old should keep up with the times.又如：catch up with 趕上come down with 患date back to 追溯到get along with 與……相處go on with 繼續。
英語中的動詞片語，也叫做短語動詞，一共有四種：
介係詞動詞（不可分開）。介係詞動詞相當於一個及物動詞，支配賓語，賓語只能放在介係詞後面，不能放在動詞和介係詞之間，在被動語態裡，整個短語動詞作為一個整體看待，介係詞不能漏掉，如：We must look into the matter immediately.The store was broken into by thieves last night.Anger preyed upon her for weeks.又如：speak of 說到refer to 參考see to 保證send for 派人請laugh at 嘲笑短語動詞（可分開）。短語動詞由動詞加副詞構成，有的相當於一個及物動詞，有被動語態，可以支配一個賓語，如果賓語是人稱代詞，代詞放在動詞和副詞之間，如果賓語為名詞或不定代詞，則可以放在短語動詞的後面，也可以放在中間。如：He picked the book up. He picked it up.又如：work out 制定出win over 說服wipe out 消滅turn out 趕出來，結果是turn on 開啟有的相當於一個不及物動詞，不能支配任何賓語，無被動語態。The plane took off despite the fog.The war broke out in 1980 and lasted eight years.又如：break down 出故障come to 甦醒drop out 退出give in 讓步knock off 停工動詞+名詞+介係詞。這類短語動詞為及物動詞，需要跟賓語，有非謂語形式和謂語形式。它也有被動語態。這類短語動詞的名詞前可以有定語，為了強調，可以把名詞置於句首或者把介賓結構置於句首。如：Those houses were set fire to by thieves.No fault could be found with the paper.To this she didn"t pay the slightest attention.We must make rational use of the land.The president got off the car and shook hands with the ministers.又如：catch sight of 看見get rid of 除去make fun of 取笑take care of 照顧take part in 參加短語介係詞動詞（不可分開）。短語介係詞動詞由動詞加副詞加介係詞構成，支配賓語的時候賓語放在介係詞後面，不可分開，如：Please keep out of her affairs.The old law must be done away with.The old should keep up with the times.又如：catch up with 趕上come down with 患date back to 追溯到get along with 與……相處go on with 繼續。