In Present tenses^x, Articles^x, Present perfect^x

Yesterday, I was joint in a interview in s-fone corp. It is difficult to pass this exam because it very hard. This exam include two parts : IQ part and English part. In IQ part , I did quite well , but English part I don’t understand any sentence . I am studying lines-lines Books,...

WANG CHUN wrote: 1. Ancient and modern human beings use their great intelligence to invent machines that help people lead a comfortable and convenient life. My problem with this sentence is that it is not possible for ancient human beings to do anything any more, so using the present tense...

Hi In the verb phrase 'to purchase' i need to know what aspect this is in, but i have no idea! So far ive got that its non-finite and in the present tense and an active voice. Can anyone help me with the aspect? I also need help with the verb phrase 'you will find' is this in the present...