It is a well established fact that no two linguistic codes are ever the same in their sound systems, morphology, syntax, meaning mechanisms, and so on. When two such languages co-exist in a contact situation – with all the far-reaching implications of this – the need arises to conduct a methodic contrastive study of selected aspects of the two languages to discover their linguistic similarities and differences and thereby give an insight into the implications of such similarities and differences for teaching and learning purposes. In line with this, we restrict ourselves in this paper to the grammar of Igbo, and the aspect identified for detailed contrastive study with English is the conditional clause. Our investigation r...