Open the brackets and rewrite the following sentence in Conditional of

Open the brackets and rewrite the following sentence in Conditional of I, II. If he (insist), she (marry) him. If I (be) here, I (can help) you. If my sister (return) early, we (watch TV) together. If they (receive) a letter from her, they (not to worry). If my friend (buy) a cake, we have a very nice tea-party. If we (live) by the sea, we (swim) a lot in it. If we (not to take) a taxi, we (miss) the train. If you (go) to the cinema with us last Sunday, you (enjoy) the evening. We shouldnt have bought a colour TV if my friends (not to lend) us the money. If he were more careful about his diet, he (not to be) so stout.