1)ほど is just used with time periods(.1) e.g. 1.1)すみませ | Japanese N4 (Self- Study)

1)ほど is just used with time periods(.1) e.g.


1.1)すみませんが、あと10分ほど待っていただけませんか。

1.1)Excuse me, would you please wait for me about ten minutes more (10 minutes or a little shorter)?

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2)ぐらい is used with time periods (.1), quantities (.2) and points in time (.3) e.g.


2.1)すみませんが、あと10分ぐらい待っていただけませんか。

2.1)Excuse me, would you please wait for me about ten minutes more (10 minutes or a little longer)?

2.2)一週間に二回ぐらいテニスをします。

2.2)I play tennis about twice a week (2 times or a few more).

2.3)7時ぐらいにいっしょに映画館に行きませんか。

2.3)Why don't we go together to the cinema at around 7 o'clock (at 7 or a little after)?

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3)ごろ is just used with points in time (.1) e.g.

3.1)7時ごろにいっしょに映画館に行きませんか。

3.1)Why don't we go together to the cinema at around 7 o'clock (at 7, a little before or a little after)?