'For' and 'since' are often used with the Present Perfect. 'For' is used with periods of time. 'Since' is used with a point of time. Type in 'for' or 'since'.
'ل' و'منذ' يَستعملُ في أغلب الأحيان مع المضارع التام ُ. 'ل' مستعملُ بفتراتِ الوقتِ. 'منذ' مستعملُ مَع a نقطة الوقتِ. إطبعْ 'ل' أَو 'منذ'.
... since 1992
... since Thursday
... for seven hours
... for three months
... since my wedding anniversary
... since Christmas
... for a long time
... since my holiday
... for a couple of seconds
... since two o'clock