一、我和妈妈一起去给亲戚们拜年用英语怎么说？
I go to wish my relatives happy new year with my mother.
二、用一两句英语说一说你多久与亲友联系一次最近如何与他们联系？
I keep in touch with my relatives once a year. The last time was during ChineAE New Year holidays during which I sent them a electronic mail.
I often get in touch with my relatives and friends only once a month. I often call them to report on my studies. I also briefed them on my personal situation last week.
once a week by phone
三、关于亲戚的英语
关于亲戚的英语有很多，比如：uncle、aunt、sister、nephew、grandson等。
单词详解：
1、uncle英 ['ʌŋk(ə)l]美 ['ʌŋkl]
n.伯；姑父；舅；叔；姨父
[例句]：This is my uncle,Charles.
这灶数此是我叔叔，查尔斯。
2、aunt英 [ːnt]美 [ænt]
n. 阿姨;姨母，姑妈;舅妈;婶娘
[例句]：She'd had fun mimicking her aunt.
她模仿姑妈的样子，觉得很开心毕携。
3、隐迅sister英 ['sɪstə]美 ['sɪstɚ]
n. 姐妹；（称志同道合者）姐妹；修女；护士
[例句]：Dan smiled drily at his sister.
丹对他的姐姐淡然一笑。
4、nephew英 ['nefjuː; 'nevjuː]美 ['nɛfju]
n. 侄子，外甥
[例句]：His nephew was an inquisitive and enthusiastic boy.
他的侄子求知欲强，充满热情。
5、grandson英 ['græn(d)sʌn]美 ['rænsʌn]
n. 孙子，外孙
[例句]：My father died ten years ago, but he lived to see his first grandson.
我的父亲十年前去世了，但是他活到看见了第一个孙子。
亲戚 ( relative ) ：
father 爸爸
mother 妈妈
uncle 叔叔
aunt 阿姨
cousin brother/sister 堂(或表)兄弟;堂(或表)姐妹
nephew 侄儿；外甥
niece 侄女
sister 姐妹
brother 兄弟
grandson 孙子
granddaughter 孙女
grandmother 祖母
grandfather 祖父
mother-in-law 婆婆；岳母
father-in-law 公公敏猜；岳父
daughter-in-law 媳妇
brother-in-law 大伯，小叔，姐夫，妹夫
sister-in-law 嫂子，弟妹，小姑
great-grandson （外）曾孙
great-granddaughter （外）桥汪型曾孙女
great-grandfather （外）曾祖父陵游
great-grandmother （外）曾祖母