1.Hi,(sb),let's go boating this weekend?(直接法-用于很熟的朋友间)
2.Do you have any special plans for the weekend?Maybe we can go boating.How does that sound?
3.——Are you free tomorrow?
——yes
——Would you like to go boating with me tomorrow?
——sure
5..Are you interested in going boating this weekend
4.Why don't we go boating this weekend.(提出建议)