如下：
1、We’re throwing a surprise party for...We’d like to invite you to...我们将为……举办惊喜派对。我们想邀请你……
2、It’s my honor to invite you to...非常荣幸地邀请你……
3、I wonder if you would like to come to...我想知道你是否愿意来……
4、We are having/planning ...on...(date) and we feel it would be a great idea if you can join us.我们将于……（日期）举行……（活动），如果你能来参加就太好了。
5、I’m looking forward to seeing you.盼望着见到你。
6、I’m sure you’ll have a good time.我确信你会玩得开心。
7、I do hope that you can make it to ...我真心希望你能……
8、I would appreciate it if you could accept my invitation.如果你能接受我的邀请，我会非常感激。
邀请信类英语作文必背句型
1、Here are some details about this activity./The following are some details about this activity./Some details about this activity are as follows.活动的细节如下。
2、To begin with, we will ... Besides, there will be a lot of activities such as...which will...首先，我们将……此外，将会有很多活动,例如……这将……
3、This will be followed by...这之后将会有……