《2025年作业帮暑假大通关四年级》

(Y) 1. I often read books on Mondays. And I sometimes watch TV on Tuesdays.
(N) 2. I watch TV after the cooking class.
(N) 3. I play sports in the park and study at school.

答案： 【答案】：
1. Y
2. N（因句子中包含不同类词组合，假设按整体判断）
3. N（因句子中包含不同类词组合，假设按整体判断）

一般现在时的含义:
表示经常性、习惯性的动作。
一般现在时的时间标志词:
·频率副词系列:always, often, usually, sometimes, never, once a week, twice a week ...
·every 系列:every day, every morning, every Sunday ...
·其他词组:on Sunday(s), on Friday(s), on the weekend(s) ...
I always wipe the floor at home.
They often stay at home and wash clothes on Sundays.
He brushes his teeth every day.
肯定句结构(非三单主语):
主语 + 动词原形 + 其他.
I often wash my clothes on the weekend.
We often have a picnic in the park.
They go swimming every day.
肯定句结构(三单主语):
主语 + 动词第三人称单数形式 + 其他.
Leo often takes a shower in the evening.
He always watches TV at home.
My father often feeds the fish.
主三单,动三单
动词三单变化规则(复习)
|规则|示例|
|一般情况下,动词后直接加 -s|read-reads play-plays|
|以 o, x, s, ch, sh 结尾的动词,加 -es|do-does fix-fixes pass-passes watch-watches brush-brushes|
|以“辅音字母 + y”结尾的动词,变 y 为 i,再加 -es|study-studies|
|特殊变化|have-has|

答案： 习惯性;动词原形;动词第三人称单数形式