Iv. put the verbs into three columns according to the rules of reading. invited, studied, started, lived, remembered, agreed, dropped, relaxed, tired, stayed, used, danced, liked, cried, invented, wanted, decorated, loved, closed, happened, helped, checked. [t] [d] [id]

[t] dropped, relaxed, danced, liked, helped, checked.
[d] lived, remembered, agreed, tired, stayed, used, cried, loved, closed, happened.
[id] Invited, studied, started, invented, wanted, decorated.