swim swam swum 泳ぐ
swing swung swung 揺れる
take took taken ...を持っていく
teach taught taught ...を教える
tear tore torn ...を裂く
tell told told ...に...を話す
think thought thought 思う
thrive thrived,throve thrived,throve 栄える
throw threw thrown ...を投げる
thrust thrust thrust ...を強く押す
tread trod trodden,trod 踏む
undergo underwent undergone ...を経験する
underlie underlay underlain ...の根底にある
understand understood understood ...を理解する
undertake undertook undertaken ...を引き受ける
