大學英語四級詞匯量是否豐富在英語四級考試中非常關鍵，因此，在備考英語四級的過程中考生們一定要注意對核心詞匯、核心詞組的掌握。

　　先后次序關系：at this time; first; second; at last; next;previously; simultaneously; eventually;last but not least;to begin with;to start with;to end with;finally;seeing...;since then;first of all;afterwards; following this; preceding this.

　　 因果關系：because;because of this;being that;another important factor/reason of... ; since; as; for; in that...; owing to; due to; for the reason that...; in view of; the reason seems to be obvious; there are about... ;for this reason; as a result of this; therefore;...and so...; consequently;as a result; thus; hence; so;so that...; in consequence; as a consequence; accordingly; inevitably; under these conditions; thereupon.